Statutory Instruments made by the National Assembly for Wales

"the Act" means the Animal Health Act 1981;

"avian influenza" means an infection of poultry or other captive birds caused by any influenza A virus of the subtypes H5 or H7 or with an intravenous pathogenicity index in six-week old chickens greater than 1.2;

(a) declare an avian influenza prevention zone in all or part of Wales;

(b) serve a notice on the occupier of any premises where poultry, other captive birds or any categories of poultry or captive birds specified in the notice are kept;

(c) ban or limit the collection of poultry or other captive birds at any fair, market, show, exhibition, race or other gathering.

    (2) The National Assembly must, in its declaration of an avian influenza prevention zone or in the notice, impose such restrictions and requirements as it considers necessary to reduce the risk of transmission of avian influenza and must consider, in particular, the measures necessary—

(a) to prevent direct or indirect contact which wild birds might otherwise have with poultry and other captive birds;

(b) to reduce the risk of feed and water provided to poultry and other captive birds being contaminated with avian influenza virus;

(c) to reduce the risk of the spread of avian influenza between premises.

    (3) The National Assembly's powers under paragraph (2) include powers—

(a) to require poultry and other captive birds to be housed or otherwise kept separate from wild birds;

(b) to require species of poultry or other captive birds specified in the declaration to be housed or otherwise kept separate from other poultry and captive birds;

(c) to require that poultry and other captive birds are provided with feed and water to which wild birds have no access;

(d) to prohibit the use of birds of the orders Anseriformes (including ducks, geese and swans) and Charadriiformes (including gulls, murres, terns, avocets, puffins, woodcock, oystercatchers, sandpipers, plovers, surfbirds, snipes and skimmers) as decoys during bird hunting;

(e) to require keepers of poultry and other captive birds and others who come into contact with such birds to cleanse and disinfect their footwear and take such other biosecurity measures as a veterinary inspector may require.

(a) immediately notify the Divisional Veterinary Manager; and

(b) take all reasonable steps to ensure that the restrictions and requirements set out in Schedule 1 are complied with.

(a) direct, by notice to the occupier of the premises where the birds are located, that killing of the birds specified in the notice be carried out at a place specified in the notice; and

(b) license the movement of those birds to that place.

(a) serve a notice on the occupier of the slaughterhouse informing him or her of this; and

(b) ensure that a veterinary inquiry is carried out at the slaughterhouse.

(a) apply (by notice to the occupier of the premises) such of the measures set out in Part 1 of Schedule 6 as it considers necessary to reduce the risk of the spread of avian influenza; and

(b) ensure that a veterinary inquiry continues at the infected premises.

    (2) The National Assembly must not permit any movement otherwise prohibited under Part 1 of Schedule 6 unless it is satisfied that it would not significantly increase the risk of the spread of low pathogenic avian influenza.

    (3) When reaching a decision under paragraph (2), the National Assembly must, in particular, take into account the criteria set out in Part 2 of Schedule 6.

    (4) An inspector who knows or suspects that any poultry or other captive bird in transit is infected or contaminated with avian influenza may serve a notice on the keeper of the bird—

(a) directing transport of the bird to such premises as the inspector thinks fit; and

(b) requiring the detention at such place as the inspector directs of any vehicle, equipment or other thing suspected of being contaminated until it has been cleansed and disinfected as directed by the inspector.

(a) killed as soon as possible, in accordance with a veterinary inspector's instructions;

(b) transported in accordance with a veterinary inspector's instructions (if they are moved off the premises for slaughter).

(a) the poultry are kept separate from poultry from outside the zone;

(b) the poultry are slaughtered separately or at different times from poultry from outside the zone; and

(c) the part of the slaughterhouse and any equipment and any other thing which has been used for the slaughter or subsequent processing of the poultry are cleansed and disinfected in accordance with a veterinary inspector's instructions before poultry from outside the zone are slaughtered.

    (2) No person is to move poultry meat from any slaughterhouse, cutting plant or cold store in a protection zone unless–—

(a) the poultry from which it was produced originated outside a protection zone and meat from it is stored and transported separately from meat produced from poultry originating in a protection zone;

(b) the poultry meat was produced at least 21 days before the date a veterinary inspector estimates as the date of earliest infection at premises in the protection zone and has been stored and transported separately from meat produced after that date;

(c) the poultry meat was produced from poultry originating in the protection zone and complies with the requirements set out in paragraph (3); or

(d) the National Assembly declares otherwise, in a declaration made in accordance with article 30(2)(b).

    (3) Poultry meat from poultry originating in the protection zone and referred to in paragraph (2)(c) must—

(a) not be supplied for intra-Community or international trade;

(b) be marked in accordance with the National Assembly's instructions;

(c) be obtained, cut, stored and transported separately from meat intended for intra-Community or international trade;

(d) not be used in meat products intended for intra-Community or international trade unless—


(i) it is obtained, cut, transported and stored separately from poultry meat intended for such trade; and

(ii) it has been heat treated at a minimum temperature of 70°C, which temperature must be reached throughout the meat.

(a) mark, or cause to be marked, for identification purposes any bird, mammal, carcase or other thing; and

(b) count birds and mammals.

    (3) If the person carrying out an investigation suspects that avian influenza or influenza virus of avian origin exists or has existed on the premises, he or she must seek to establish—

(a) the length of time avian influenza has existed on the premises or on any vehicle,

(b) the possible origin of avian influenza on the premises,

(c) which premises may have been exposed to contamination by avian influenza from the same origin or from the premises under investigation, and

(d) the extent to which avian influenza may have been carried to or from the premises under investigation by the movement of birds, people, animals, vehicles, eggs, carcases, implements or any other thing.

(a) alive;

(b) which have died;

(c) which show clinical signs of avian influenza;

(d) he or she thinks are likely to be infected;

(e) born or hatched.

Housing or isolation of poultry and other captive birds
     2. —(1) The occupier must ensure that poultry and other captive birds are—

(a) housed; or

(b) kept isolated (if, in the view of a veterinary inspector, housing is impractical or would adversely affect the birds' welfare to a significant degree).

    (2) The occupier must take all reasonable steps to minimise contact with wild birds, in accordance with a veterinary inspector's instructions.

Prohibition on movement of poultry and other captive birds to and from the premises
     3. No person is to move any poultry or other captive birds to or from the premises, unless licensed by a veterinary inspector.

Prohibition on the removal of other things liable to transmit avian influenza
     4. No person may remove from the premises any carcase, poultry meat, poultry feed, utensils, material, waste, droppings, poultry or other captive bird manure, slurry, used litter or anything else liable to transmit avian influenza, unless he or she is licensed by a veterinary inspector.

Prohibition on movement of people, animals and vehicles to and from the premises
     5. —(1) No person is to move to or from the premises and no person is to move any mammal, vehicle or equipment to or from the premises unless the movement is licensed by a veterinary inspector.

    (2) Paragraph (1) does not apply to pet animals which—

(a) only have access to a part of the premises where people live;

(b) have no contact with poultry or other captive birds on the premises; and

(c) have no access to any cages or areas on the premises where poultry or other captive birds are kept.

Restrictions on the movement of eggs
     6. No person is to move any eggs from the premises except, under the authority of a licence granted by the National Assembly—

(a) directly to an establishment for the manufacture of egg products; or

(b) for disposal.

     7. Any person moving eggs under paragraph 6(a) must ensure that—

(a) each consignment of eggs is sealed, by a veterinary inspector or in accordance with his or her instructions, before dispatch; and

(b) vehicles used to transport the eggs to the plant have been cleansed and disinfected before the eggs are loaded.

(a) the nature of the premises to be cleansed or disinfected;

(b) the type of vehicle or other thing to be cleansed or disinfected;

(c) any instructions from the manufacturer of the product (or of a veterinary inspector) as to pressure, minimum temperature and required contact time.

     3. A person cleansing and disinfecting under this Order must ensure that—

(a) bedding, litter and faecal matter are thoroughly soaked with disinfectant;

(b) equipment and installations which would otherwise impair effective cleansing and disinfecting are, where possible, removed or dismantled and either cleansed and disinfected or destroyed (if this is considered necessary by the person carrying out the cleansing and disinfecting or is required by a veterinary inspector);

(c) the ground, any floors, ramps and walls are washed and cleansed by thorough brushing and scrubbing.

     4. A person washing with liquids applied under pressure must avoid recontaminating areas or parts previously cleansed.

     5. A person who has cleansed and disinfected part of any premises must avoid recontaminating that part as he or she cleanses and disinfects other parts.

     6. A person carrying out a cleansing or disinfecting procedure must ensure that a written record of that procedure is made, showing the date and time the procedure took place.

     7. A person who makes such a record must keep it at the premises (or, if he or she is a person in charge of a vehicle and the procedure involved cleansing or disinfecting that vehicle, with the vehicle).

(a) use appropriate equipment;

(b) wear protective clothing (which should be cleansed and disinfected or disposed of after use);

(c) take a shower after the cleansing and disinfection;

(d) cleanse and disinfect any equipment which may be contaminated before it is removed from the premises;

(e) turn off the power supply to any ventilation system, if required to do so by a veterinary inspector.

     11. Following killing—

(a) carcases must be sprayed with disinfectant;

(b) transport from the premises for disposal of carcases and of any tissue and blood spilled during killing or post-mortem examination must be in closed, leak-proof containers and in accordance with a veterinary inspector's instructions;

(c) the following parts of the premises must be sprayed with disinfectant as soon as the killed poultry and other captive birds have been removed—


(i) parts where the poultry or other captive birds were housed;

(ii) parts contaminated during the killing of the poultry or other captive birds;

(iii) parts contaminated during any post–mortem examination;



(d) any tissue or blood spilled during the killing or any post-mortem must be collected and disposed of with the killed poultry or other captive birds;

(e) disinfectant must remain on the surface for at least 24 hours.

Final cleansing and disinfecting
     12. Manure and used bedding must be treated in accordance with Part 3 of this Schedule.

     13. All surfaces must be subjected to the following procedures—

(a) grease and dirt must be removed from them by the application of a degreasing agent;

(b) they must then be cleansed with water;

(c) they must be washed with cold water, following which further disinfectant must be applied;

(d) after seven days, they must again be treated with a degreasing agent, rinsed with water, sprayed with disinfectant and rinsed again with water.

(a) be steam treated at a temperature of at least 70°C;

(b) be destroyed by burning;

(c) be buried deep enough to prevent access by wild birds and animals; or

(d) be stacked to heat, sprayed with disinfectant and left for at least 42 days.

     15. Slurry must be stored for at least 60 days after the last addition of infectious material unless (in the case of slurry which has been treated in accordance with a veterinary inspector's instructions) a veterinary inspector authorises a shorter storage period.

     16. Manure, litter and bedding which may be contaminated may, if licensed by a veterinary inspector, be moved to—

(a) a treatment plant carrying out procedures for the destruction of avian influenza virus;

(b) storage prior to destruction; or

(c) such other place as the veterinary inspector may license.

     17. The transport of such manure, litter or bedding must be in closed, leak-proof vehicles or containers and in accordance with a veterinary inspector's instructions.

(a) the quantity and description (including species of poultry or type of egg) transported or marketed;

(b) in the case of movement from premises—


(i) the date of the movement off the premises;

(ii) the premises of destination (if known);

(iii) the name and address of the person to whom ownership or possession is being or has been transferred;



(c) in the case of movement onto premises—



(i) the date of the movement on to the premises;

(ii) the premises from which the movement originated (if known);

(iii) the name and address of the person from whom ownership or possession is being or has been transferred;



(d) in the case of marketing without an associated movement, the name and address of the person to whom and the date on which ownership was transferred;

(e) the identity and address of any such person.

     5. Paragraphs 1 and 3 do not apply to—

(a) the retail distribution of eggs and movements subsequent to such distribution; or

(b) the movement of people to zoos, wildlife parks or (unless required by the National Assembly) any other premises open to the public, provided the public has no access to any area where birds are kept.

Isolation of poultry and other captive birds
     6. The occupier of premises where poultry or other captive birds are kept must ensure that they are—

(a) housed; or

(b) kept isolated (if, in the view of a veterinary inspector, housing is impractical or would adversely affect the birds' welfare to a significant degree).

     7. If birds are kept isolated but not housed, the occupier must—

(a) ensure that they have no contact with poultry or other captive birds on other premises; and

(b) take all reasonable steps to minimise their contact with wild birds, in accordance with a veterinary inspector's instructions.

Restrictions on the movement of poultry, other captive birds and mammals onto and off premises
     8. —(1) No person is to (subject to sub-paragraph (2)) move poultry, other captive birds or mammals from or to premises within the zone where poultry or other captive birds are kept, unless the movement is licensed by a veterinary inspector or by an inspector under the direction of a veterinary inspector.

    (2) Sub-paragraph (1) does not apply to pet animals which—

(a) only have access to a part of the premises where people live;

(b) have no contact with poultry or other captive birds on the premises; and

(c) have no access to any cages or areas on the premises where poultry or other captive birds are kept.

Disposal of carcases
     9. The occupier must ensure that all carcases not seized or disposed of by a veterinary inspector are disposed of in accordance with a veterinary inspector's instructions (unless he or she licenses their use for diagnosis of disease).

Biosecurity measures
     10. The occupier and any person entering or leaving premises where poultry, other captive birds or eggs are kept must—

(a) take such biosecurity measures as he or she considers necessary to reduce the risk of the spread of avian influenza to or from the premises; and

(b) comply with any biosecurity requirements which a veterinary inspector, by notice to him or her, imposes.

Litter, poultry manure and slurry
     11. No person is to remove from premises in the zone or spread used poultry litter, poultry manure or poultry slurry unless licensed by a veterinary inspector.

Gatherings of poultry
     12. No person is to permit any poultry or other captive birds to be collected together at any fair, market, show, exhibition or other gathering.

Release of game
     13. No person is to release game birds.

Restrictions on the movement of birds, eggs, poultry meat and carcases
     14. No person is to move any poultry, other captive birds, eggs, poultry meat or carcases within or out of the zone unless—

(a) the movement is as set out in paragraph 16 and is—


(i) direct; and

(ii) licensed by a veterinary inspector or by an inspector under the direction of a veterinary inspector;



(b) the movement involves only the retail distribution of table eggs or is a movement subsequent to such distribution; or

(c) the movement is within the same premises.

     15. Poultry and eggs may be transported through the zone on a major highway or railway if no stop is made within the zone.

     16. The movements referred to in paragraph 14(a) are the following—

(a) the quantity and description (including species of poultry and type of egg) transported or marketed;

(b) in the case of movement from premises—


(i) the date of the movement off the premises;

(ii) the premises of destination (if known);

(iii) the name and address of the person to whom ownership or possession is being or has been transferred;



(c) in the case of movement onto premises—



(i) the date of the movement on to the premises;

(ii) the premises from which the movement originated (if known);

(iii) the name and address of the person from whom ownership or possession is being or has been transferred;



(d) in the case of marketing without an associated movement, the name and address of the person to whom and the date on which ownership was transferred.

(e) the identity and address of any such person.

     5. Paragraphs 1 and 3 do not apply to—

(a) the retail distribution of eggs and movements subsequent to such distribution; or

(b) the movement of people to zoos, wildlife parks or (unless required by the National Assembly) any other premises open to the public, provided the public has no access to any area where birds are kept.

Restrictions on the movement of poultry, other captive birds and mammals onto and off premises
     6. —(1) No person is to move poultry, other captive birds or mammals from or to premises within the zone where poultry or other captive birds are kept, unless the movement is licensed by a veterinary inspector or by an inspector under the direction of a veterinary inspector.

    (2) Sub-paragraph (1) does not apply to pet animals which—

(a) only have access to a part of the premises where people live;

(b) have no contact with poultry or other captive birds on the premises; and

(c) have no access to any cages or areas on the premises where poultry or other captive birds are kept.

Biosecurity measures
     7. The occupier and any person entering or leaving premises where poultry, other captive birds or eggs are kept must—

(a) take such biosecurity measures as he or she considers necessary to reduce the risk of the spread of avian influenza to or from the premises; and

(b) comply with any biosecurity requirements which a veterinary inspector, by notice to him or her, imposes.

Litter, poultry manure and slurry
     8. No person is to remove from premises in the zone or spread used poultry litter, poultry manure or poultry slurry unless licensed by a veterinary inspector.

Gatherings of poultry
     9. No person is to permit any poultry or other captive birds to be collected together at any fair, market, show, exhibition or other gathering.

Release of game
     10. No person is to release game birds.

Restrictions on the movement of poultry and eggs within the zone
     11. No person is to move any poultry or eggs within the zone (other than through the zone by road or rail without stopping), unless licensed by a veterinary inspector.

     12. Paragraph 11 does not apply to the retail distribution of eggs and movements subsequent to such distribution.

     13. A veterinary inspector must not grant a licence under paragraph 11 unless he or she is satisfied that the licensee will take appropriate biosecurity measures and the taking of such measures must be conditions of the licence.

     14. A veterinary inspector may license the movement of poultry from outside the protection and surveillance zones to a slaughterhouse within the surveillance zone and subsequent movements of the meat derived from such poultry.

Restrictions on the movement of poultry and eggs out of the zone
     15. No person is to move any poultry or eggs out of the zone, unless the movement is one of the following and is licensed by a veterinary inspector—

(a) poultry for slaughter (if the requirements of paragraph 17 and any additional licence conditions are met);

(b) day-old chicks hatched from eggs originating within the surveillance zone (if the requirements of paragraph 18 and any additional licence conditions are met);

(c) day-old chicks hatched from eggs originating from outside the protection and surveillance zones (if the requirements of paragraph 19 and any additional licence conditions are met);

(d) ready-to-lay poultry to premises where no poultry are kept if any licence conditions are met;

(e) hatching eggs from the zone—


(i) to a designated hatchery; or

(ii) to a designated laboratory or institute for use for scientific, diagnostic or pharmaceutical purposes

     (if, in both cases, the requirements of paragraph 20 and any additional licence conditions are met);



(f) eggs to a designated packing centre (if the requirements of paragraph 21 and any additional licence conditions are met);

(g) eggs to premises for the manufacture of egg products (if the requirements of paragraph 22 and any additional licence conditions are met);

(h) eggs for disposal if any licence conditions are met.

     16. Paragraph 15 does not apply to the retail distribution of table eggs and movements subsequent to such distribution.

Requirements for the movement of poultry from premises in the zone for immediate slaughter at a designated slaughterhouse
     17. Poultry may be moved from premises to a designated slaughterhouse, but only within 24 hours of the completion of a veterinary inspection of the premises.

Requirements for the movement of day-old chicks hatched from eggs produced within the surveillance zone or from eggs which have had contact with such eggs
     18. Day-old chicks must not be moved unless any biosecurity measures laid down by a veterinary inspector are complied with.

Requirements for the movement of day-old chicks hatched from eggs originating outside the protection and surveillance zones
     19. Day-old chicks from eggs originating outside the protection and surveillance zones must not be moved unless the hatchery within the zone is operated in such a way that eggs from outside the zone do not come into contact with eggs or day-old chicks from within the zone.

Requirements for the movement of hatching eggs from the zone to a designated hatchery, or to a designated laboratory or institute for use for scientific, diagnostic or pharmaceutical purposes
     20. Hatching eggs must not be moved from the zone to the hatchery, the laboratory or the institute unless the eggs and their packaging are disinfected before they leave the premises.

Requirements for the movement of table eggs to a packing centre
     21. Table eggs must not be moved to a designated packing centre unless—

(a) they are packed in disposable packaging; and

(b) any person transporting the eggs complies with any biosecurity measures laid down by a veterinary inspector.

Requirements for the movement of table eggs to premises for the manufacture of egg products
     22. Eggs must not be moved to premises for the manufacture of egg products except in accordance with Chapter XI of Annex II to Regulation (EC) No 852/2004.

Cleansing and disinfection of vehicles
     23. A person who transports any poultry, other captive bird, meat, feed, manure, slurry, litter or any other thing which may be contaminated must cleanse and disinfect the vehicle and any equipment used to transport that thing as soon as it is unloaded, in accordance with article 66.

     24. A person who enters or leaves premises by vehicle must cleanse and disinfect without delay any part of the vehicle which may have been contaminated in accordance with article 66.

(a) alive;

(b) which have died;

(c) which show clinical signs of avian influenza;

(d) which he or she thinks are likely to be infected;

(e) born or hatched.

Housing or isolation of poultry and other captive birds
     2. The occupier must ensure that poultry and other captive birds are—

(a) housed; or

(b) kept isolated (if, in the view of a veterinary inspector, housing is impractical or would adversely affect the birds' welfare to an significant degree). The occupier must take all reasonable steps to minimise contact with wild birds, in accordance with a veterinary inspector's instructions.

Prohibition on movement of poultry and other captive birds to and from the premises
     3. No person is to move any poultry or other captive birds to or from the premises, unless licensed by a veterinary inspector.

Movement of poultry to a slaughterhouse
     4. No person is to move any poultry or other captive bird to a slaughterhouse unless—

(a) the slaughterhouse is a designated slaughterhouse;

(b) the poultry are sent directly to the slaughterhouse; and

(c) they are transported in vehicles sealed by a veterinary inspector or in accordance with his instructions.

     5. No person is to remove the seal on a vehicle transporting poultry to a slaughterhouse until the vehicle has arrived at the slaughterhouse.

     6. A person who transports any bird or any thing which may be contaminated must, as soon as the bird or thing is unloaded, cleanse and disinfect the vehicle and any equipment used for transportation in accordance with article 66.

Prohibition on the movement of people, animals, vehicles and equipment to and from premises
     7. —(1) No person is to move to or from the premises and no person is to move any mammal, vehicle or equipment to or from the premises, unless the movement is licensed by a veterinary inspector.

    (2) Paragraph (1) does not apply to pet animals which—

(a) only have access to a part of the premises where people live;

(b) have no contact with poultry or other captive birds on the premises; and

(c) have no access to any cages or areas on the premises where poultry or other captive birds are kept.

(a) the species of birds on the premises;

(b) the number of premises it knows to contain poultry or other captive birds in the area around the premises;

(c) the location of slaughterhouses, hatcheries and packing centres to which poultry and eggs could be moved;

(d) biosecurity measures already in place or which could be applied at the premises, during movement and during slaughter;

(e) possible routes on which things could be moved;

(f) any evidence of disease spread;

(g) any risk to human health;

(h) any treatment procedures which could be applied to any thing to be moved.

(a) only have access to a part of the premises where people live;

(b) have no contact with poultry or other captive birds on the premises; and

(c) have no access to any cages or areas on the premises where poultry or other captive birds are kept.

Biosecurity measures
     2. The occupier and any person entering or leaving premises where poultry or other captive birds are kept must—

(a) take such biosecurity measures as he or she considers necessary to reduce the risk of the spread of avian influenza to or from the premises; and

(b) comply with any biosecurity requirements which a veterinary inspector, by notice, imposes.

Litter, poultry manure and slurry
     3. No person is to remove from premises in the zone or spread used poultry litter, poultry manure or poultry slurry unless licensed by a veterinary inspector.

Gatherings of poultry
     4. No person is to permit any poultry or other captive birds to be collected together at any fair, market, show, exhibition or other gathering, unless licensed by a veterinary inspector.

Release of game
     5. No person is to release game birds.

Restrictions on the movement of poultry, other captive birds and eggs within the zone
     6. No person is to move any poultry, other captive birds or eggs within the zone (other than through the zone by road or rail without stopping), unless licensed by a veterinary inspector.

Restrictions on the movement of poultry, other captive birds and eggs out of the zone
     7. No person is to move any poultry, other captive birds or eggs out of the zone, unless the movement is one of the following and is licensed by a veterinary inspector;

(a) poultry for slaughter at a designated slaughterhouse (if any licence conditions are met);

(b) poultry to premises where no poultry are kept (if any licence conditions are met);

(c) day-old chicks from eggs originating within the zone or from eggs which have come into contact with such eggs (if any licence conditions are met);

(d) day-old chicks from eggs originating outside the zone (if the hatchery is operated in such a way that such chicks and eggs are kept separate from day-old chicks and eggs originating in the zone and if any licence conditions are met);

(e) hatching eggs to a designated hatchery if the eggs and their packaging are disinfected before dispatch and if any licence conditions are met;

(f) eggs to a designated packing centre in disposable packaging and in accordance with biosecurity requirements specified by a veterinary inspector (if any licence conditions are met);

(g) eggs to premises inside or outside the zone for the manufacture of egg products (if any licence conditions are met);

(h) eggs for disposal (if any licence conditions are met).

     8. Paragraphs 6 and 7 do not apply to the retail distribution of table eggs and movements subsequent to such distribution.

Carcases
     9. The occupier of any premises within the zone must ensure that carcases are disposed of in accordance with a veterinary inspector's instructions (unless he or she licenses their use for diagnosis of disease).

Cleansing and disinfection of vehicles
     10. A person who moves any poultry, other captive bird, meat, feed, manure, slurry, litter or any other thing which may be contaminated must cleanse and disinfect the vehicle and any equipment used to transport that thing as soon as it is unloaded, in accordance with article 66.