port under the control of the United States that has been freed of Aedes aegypti, if it has not been adequately disinsected before arrival.

(2) In a yellow fever receptive area infected vessels shall be moored at least 400 meters from the land until disinsecting required by this paragraph is completed. Other vessels that are required to be disinsected under this paragraph shall be so moored when deemed necessary by the medical officer in charge to prevent the introduction of vectors of yellow fever.

(3) The medical officer in charge shall accept prearrival disinsecting as adequate if after inspection he determines that such disinsecting has been effective, and the insecticide and disinsecting methods meet the requirements specified for aircraft in § 71.102 (b), except that the ventilation system shall be stopped and all openings to the exterior kept closed for a period of at least 15 minutes after the insecticide is released or sprayed.

(b) Disinfesting (general). A vessel may be disinfested on arrival if the medical officer in charge considers disinfestation necessary to prevent the spread of infection or for the destruction of insects and other vermin capable of transmitting communicable disease.

$71.104 Disinsecting and disinfection of persons and things; vessels and aircraft.

The person, effects, and baggage of any vermin infested person arriving aboard a vessel or aircraft shall be disinsected and, if necessary in the judgment of the medical officer in charge, disinfected.

$71.105 Deratting Certificates: Deratting Exemption Certificates; vessels only.

If a valid Deratting Certificate or Deratting Exemption Certificate is not produced with respect to any arriving vessel the medical officer in charge shall:

(a) If he is satisfied that the vessel is free of rodents or is kept in such a condition that the number of rodents on board is negligible, issue a Deratting Exemption Certificate.

(b) If he is satisfied that a Deratting Exemption Certificate should not be issued with respect to such vessel, require the deratting of the vessel. When deratting has been completed to the satisfaction of the medical officer in charge, he shall issue a Deratting Certificate.

§ 71.106 Deratting: Aircraft only.

An aircraft may be deratted in exceptional circumstances of an epidemiological nature when the medical officer in charge suspects the presence of rodents on board.

§ 71.107 Issuance of Deratting Certifi cates and Deratting Exemption Certificates: Approved and designated stations.

In accordance with Article 17 of the International Sanitary Regulations, all quarantine stations of the Public Health Service are approved and designated for the issuance of Deratting Certificates and Deratting Exemption Certificates. § 71.108 Vessels and aircraft in intercoastal and interstate traffic.

Vessels and aircraft in traffic between ports under the control of the United States shall be subject to sanitary inspection as described in § 71.101, when arriving from a port infected or suspected of being infected with quarantinable disease or when illness on board indicates unsatisfactory sanitary conditions.

§ 71.109 Application of sanitary meas

Vessels subject to quarantine inspection pursuant to Subpart D of this part shall not enter a port under the control of the United States to discharge cargo or land passengers unless a certificate of free or provisional pratique has been issued to the master.

§ 71.122 Free pratique: Vessels only.

A certificate of free pratique shall signify that the vessel and its master may enter, discharge cargo, and land passengers. § 71.123

Provisional pratique and remand: Vessels only.

(a) A certificate of provisional pratique shall signify that the vessel may enter, but that additional measures as specified in such certificate must be taken in connection with the discharge of cargo, or the landing of passengers, or

the sanitary condition of the vessel. A certificate of free pratique shall be issued after such additional measures have been completed.

(b) The medical officer in charge may remand the vessel to the next port for such additional measures as may be necessary. Vessels arriving at quarantine stations at succeeding ports of call under provisional pratique may, in the discretion of the medical officer in charge at such stations, be directed to proceed under provisional pratique to the next succeeding port for completion of quarantine measures.

(c) Failure to comply with additional measures specified in a certificate of provisional pratique shall constitute a violation of the regulations in this part, and the vessel shall become subject to all measures applicable to vessels first arriving at a port under the control of the United States from a foreign port. § 71.124 Radio pratique: Vessels only.

The medical officer in charge may grant pratique by radio to a vessel upon the basis of information regarding the vessel, its cargo and persons aboard, received prior to arrival of the vessel, when in his judgment, and in accordance with instructions by the Surgeon General, the entry of the vessel will not result in the introduction, transmission or spread of communicable diseases. § 71.125 Presentation of pratique: Vessels only.

Vessels which have undergone quarantine inspection shall present to the Collector of Customs at the port of entry the certificate of pratique, or evidence of radio pratique, issued pursuant to the provisions of this subpart.

§ 71.126 Pratique and remand: craft only.

Air

When all necessary quarantine and sanitary measures have been applied to the aircraft and persons and things on board, pursuant to the regulations of this part, the quarantine officer shall issue a certificate of free pratique, which may be stamped on a copy or copies of the general declaration, including the traveling general declaration, for presentation to the customs officer in charge. Pending compliance with quarantine requirements the quarantine officer may issue a certificate of provisional pratique for the aircraft, stating the measures to be carried out. When quar

antine measures cannot be completed at the place of first landing, the medical officer in charge may remand the aircraft under provisional pratique to the next airport for such additional measures as may be necessary. Aircraft arriving under provisional pratique at succeeding airports may, when quarantine measures cannot be completed there, be directed to proceed under provisional pratique to the next succeeding airport for completion of quarantine measures. § 71.127 Notification of remands: Vessels and aircraft.

The quarantine officer remanding a vessel or aircraft to another port in accordance with this subpart shall give advance notification to the medical officer in charge and customs officer at the port to which the vessel or aircraft is remanded. The notification should be timed to arrive ahead of the vessel or aircraft, and should be made by telephone in the case of aircraft. The notification shall give complete information regarding measures carried out at the port effecting the remand and measures required at the port to which the vessel or aircraft is remanded.

§ 71.128 Vessels and aircraft not submitting to prescribed measures.

When it is desired not to comply with the requirements for a certificate of free or provisional pratique, a vessel or aircraft shall be allowed to depart forthwith, but shall not call at any other place In the United States in connection with the current voyage or flight. The vessel or aircraft shall, however, be permitted to take on fuel, water, and stores in quarantine subject to measures prescribed by the quarantine officer pursuant to the regulations in this part.

Subpart 1-Border Quarantine

§ 71.136 Applicability.

The special provisions of this subpart apply to the entry of persons and things (including conveyances) into the United States by land transit. The Surgeon General may exempt certain areas from these provisions. (See the provisions of Subpart J, regarding the importation of certain things which are applicable at all ports of entry, including border ports.) § 71.137 Ports of entry: Inspection.

A person shall not enter except at established ports of entry, and after such inspection by a quarantine officer as the

All infected persons shall be removed and isolated until no longer infectious.

§ 71.139 Persons, conveyances, things: Specific diseases.

For the purpose of preventing the introduction, transmission, or spread of quarantinable disease, the following measures are prescribed:

(a) Cholera. (1) Any person who, within 5 days prior to arrival, has departed from a local area infected with cholera may be placed under surveillance if he has a valid certificate of vaccination against cholera or may be placed in isolation if he does not have such a certificate. The period of isolation or surveillance shall be reckoned from the date of departure of the person from the infected area.

(2) If a case of cholera is discovered aboard an arriving train or road vehicle the medical officer in charge may place any suspect under surveillance, the period of surveillance being reckoned from the date of arrival. He may require the disinfection of personal effects and baggage of the infected person or any suspect, and of any other article, such as used bedding or linen, and any part of the train or road vehicle considered to be contaminated.

(3) On arrival of a train or a road vehicle coming from a cholera infected local area or on which a case of cholera has been discovered, the medical officer in charge may prohibit the unloading of, or may remove, all fish, shellfish, fruit or vegetables to be consumed uncooked, or beverages, unless such food or beverages are in sealed containers and the medical officer in charge has no reason to believe that they are contaminated. If any such food or beverage is so removed it shall be safely disposed of.

(b) Yellow fever. On arrival in a yellow fever receptive area, any person coming from a yellow fever infected local area who is unable to produce a valid certificate of vaccination against yellow fever may be isolated or placed under surveillance until his certificate becomes valid or for not more than 6 days from the date of last possible exposure, whichever is earlier. Any such person arriving outside a yellow fever receptive area and bound for such an

area shall be subject to the applicable measures provided in § 71.91 (c).

(c) Smallpox. (1) All arriving persons shall be subject to vaccination, surveillance and isolation as provided in § 71.86.

(2) If a case of smallpox is discovered on an arriving train or road vehicle, all persons and articles aboard such train or road vehicle shall be subject to the measures provided for in subparagraph (2), (3), (4) and (5) of § 71.87 (b) and any part of the train or road vehicle considered by the medical officer in charge to be contaminated shall be disinfected. Any period of isolation or surveillance shall be reckoned from the date of arrival.

(3) The medical officer in charge may apply the measures provided for in subparagraphs (2), (3), (4) and (5) of § 71.87 (b) to any suspect who arrives in the United States by any means of land transit.

(d) Plague. (1) If a case of human plague is discovered on an arriving train or road vehicle, all persons and articles aboard such train or road vehicle shall be subject to the measures provided for in subparagraphs (1) and (2) of § 71.85 (b) and any part of the train or road vehicle considered by the medical officer in charge to be contaminated shall be disinsected and if necessary disinfected.

(2) Any arriving suspect, his baggage and effects, may be disinsected and, if necessary, disinfected, and he may be placed under surveillance, the period of surveillance being reckoned from the date of his last possible exposure.

(e) Typhus and relapsing fever. (1) Any person arriving from an area infected with typhus or relapsing fever shall be subject to the measures provided for in § 71.89 (b).

(2) If a case of typhus or relapsing fever is discovered on an arriving train or road vehicle, all persons, their accommodations and articles on board shall be subject to the measures provided for in subparagraphs (2) and (3) of § 71.89 (a). § 71.140 Disinsecting and disinfestation of persons, things, and conveyances.

(a) All vermin infested persons, their wearing apparel, baggage and personal effects shall be disinsected when deemed necessary by the medical officer in charge.

(b) Trains, road vehicles, merchandise, and baggage or other effects may be

(a) Lather brushes made from animal hair or bristles shall not be permitted entry into any port or place under the control of the United States unless (1) such brushes are permanently marked with the name of the manufacturer or other identifying mark, registered with the Surgeon General, (2) and have been determined by the medical officer in charge, in accordance with the following quarantine procedures, to be free from anthrax spores.

(b) The medical officer in charge shall select samples from each shipment of lather brushes and shall subject such samples to laboratory examinations to determine the presence or absence of anthrax spores. If such examinations indicate that the shipment is free from anthrax spores, the medical officer in charge shall furnish the Collector of Customs a certificate to that effect. If such examinations demonstrate that the shipment is not free from anthrax spores, the medical officer in charge shall notify the Collector of Customs that the shipment shall not be permitted entry. § 71.154 Dogs, cats, and monkeys.

(a) Definitions. As used in this section and § 71.155, the term:

(1) "Confinement" means restriction of an animal by the owner or his agent to a building or other enclosure in isolation from other animals and from persons except for contact necessary for its care, or, if it is allowed out of such enclosure, muzzling the animal and keeping it on a leash.

(2) "Dog" includes all domestic and wild members of the dog family (Canidae).

(3) "Cat" includes all domestic and wild members of the cat family (Felidae). (4) "Monkey" includes all monkeys and such other Primates as lemurs, baboons, and chimpanzees.

(5) "United States" means the United States, its territories, and possessions (other than the Canal Zone).

(6) "Zoological park” means a place, premises, or an establishment maintained for the exhibition of live animals for recreational or educational purposes.

(b) General requirements—(1) Inspection by quarantine officer. All dogs, cats, and monkeys brought into the United States from any foreign country shall be inspected by the quarantine officer at the port of arrival. Only animals in which no evidence of communicable disease (see § 71.1 (b)) is revealed shall be admitted.

(2) Examination by veterinarian; detention of animals. When a dog, cat, or monkey does not appear to be in good health on arrival (i. e., it has such symptoms as emaciation, lesions of the skin, nervous system disturbances, jaundice, or diarrhea), the medical officer in charge may give the owner or his agent an opportunity to call in a licensed veterinarian to examine the animal and give or arrange for any tests or treatment indicated. The medical officer in charge will consider the findings of any such examination and tests in determining whether the animal may have a communicable disease. The owner shall bear the expense of such examination, tests, and treatment. When it is necessary to detain an animal pending determination of its admissibility, the owner or his agent shall provide satisfactory detention facilities which in the judgment of the medical officer in charge will afford protection against the existence of a health hazard. The owner or his agent shall bear the expense of such detention. Detention shall be accomplished at the port of arrival, except that the Chief of the Division of Foreign Quarantine of the Public Health Service may issue instructions specifying control measures under which animals may be shipped to their destination pending determination of their admissibility.

(3) Report of sickness or death; exposed animals. (i) A record of sickness or death of dogs, cats, or monkeys en route to the United States shall be made by the person responsible for care of

the animals, and shall be submitted to the quarantine officer at the port of arrival. Animals sick or dead while en route or on arrival shall be separated from other animals as soon as discovered, and held pending any necessary examination as determined by the medical officer in charge.

(ii) When a dog, cat, or monkey appears healthy but, during shipment, has been exposed to a sick or dead animal suspected of having a communicable disease, the exposed animal shall be admitted only if tests or other examination, made at a time when infection with communicable disease could be determined, reveals no evidence that the animal may be infected with such disease. The provisions of subparagraph (2) of this paragraph shall be applicable to such tests or other examination.

(4) Sanitation. When the quarantine officer finds that the cages or other containers of dogs, cats, or monkeys arriving in the United States are in an insanitary condition that may constitute a health hazard:

(i) The animals shall not be admitted in such containers unless the owner or his agent has the containers cleaned; and

(ii) The quarantine officer shall report the matter to the customs officer for investigation pursuant to customs regulations regarding importation of animals under inhumane or unhealthful conditions (19 CFR 12.26 (k)).

(1)

(c) Dogs only; rabies vaccination. Rabies vaccination is required for a dog that is brought into the United States, unless:

(i) The animal is a wild member of the dog family, in which case it may be admitted but for at least six months after admission the owner or his agent shall restrict it to a building or other enclosure in isolation from other animals and from persons except for contact necessary for its care, or

(ii) For the six months before arrival the dog has been only in a country determined by the Public Health Service to be rabies-free; ' or

A current list of rabies-free countries may be obtained from the Surgeon General, Public Health Service, Department of Health, Education, and Welfare, Washington, D.C. 20014, Attention: Chief, Division of Foreign Quarantine, or from Public Health Service Quarantine Stations at United States ports.

(iii) The owner submits evidence satisfactory to the quarantine officer that the dog is destined for a zoological park, or that it is destined for a research establishment and vaccination would seriously interfere with its use for scientific investigation; or

(iv) The dog on arrival is less than three months of age, in which case it may be admitted but shall be placed in confinement, and the owner shall certify that the dog will be vaccinated at three months of age and remain in confinement for at least one month following vaccination.

(2) Vaccination shall be accomplished with nervous-tissue vaccine more than one month but not more than 12 months before the dog's arrival, or with chickenembryo vaccine more than one month but not more than 36 months before arrival.

(3) Where vaccination is required, the dog shall be accompanied by a valid certificate of rabies vaccination. This certificate shall: (i) Identify the dog, (ii) be signed by a licensed veterinarian, and (iii) specify that such veterinarian vaccinated the dog with "nervous-tissue" vaccine or with "chicken-embryo" vaccine, on a stated date within the respective time limits provided in subparagraph (2) of this paragraph.

(4) If a dog that is subject to vaccination arrives without a valid certificate of rabies vaccination, it shall not be admitted until it has been vaccinated (except as provided in subparagraph (5) of this paragraph). The owner shall arrange for and bear the expense of this vaccination. Upon admission the dog shall be placed in confinement for at least 30 days.

(5) If a dog arrives with a certificate which is valid except that vaccination was received less than one month before arrival, the dog may be admitted but shall be placed in confinement until at least 30 days have elapsed since vaccination.

(6) In no case will vaccination be recognized if performed on a dog less than three months of age.

(d) Dogs and cats; special provisions. Notwithstanding other provisions of this section, if a dog or cat comes from a locality having a high incidence of rabies and under conditions otherwise indicating that a special hazard of rabies introduction is present, it shall be subject to such additional requirements, or to ex