9 C.F.R. § 2.132
(a) A class “B” dealer may obtain live random source dogs and cats only from:
(c) Any dealer, exhibitor, research facility, carrier, or intermediate handler who also operates a private or contract animal pound or shelter shall comply with the following:
(2) Accurate and complete records shall be separately maintained by the licensee or registrant and by the pound or shelter. The records shall be in accordance with §§ 2.75 and 2.76, unless the animals are lost or stray. If the animals are lost or stray, the pound or shelter records shall provide:
(d) No dealer or exhibitor shall knowingly obtain any dog, cat, or other animal from any person who is required to be licensed but who does not hold a current, valid, and unsuspended license. No dealer or exhibitor shall knowingly obtain any dog or cat from any person who is not licensed, other than a pound or shelter, without obtaining a certification that the animals were born and raised on that person's premises and, if the animals are for research purposes, that the person has sold fewer than 25 dogs and/or cats that year, or, if the animals are for use as pets, that the person does not maintain more than four breeding female dogs and/or cats.
(Approved by the Office of Management and Budget under control number 0579-0036)
[54 FR 36147, Aug. 31, 1989, as amended at 69 FR 42102, July 14, 2004; 80 FR 3463, Jan. 23, 2015; 85 FR 28798, May 13, 2020]