N.Y. Comp. Codes R. & Regs. tit. 1, § 64.8 – Test requirements for sale or other change of ownership.

(a) No horse or other equidae six months or more of age, unless exempted by the provisions of section 64.5 or 64.9 of this Part, shall be sold, exchanged, bartered or given away, unless such animal has been subjected to an agar gel immunodiffusion test, a competitive ELISA test or other U.S.D.A. approved test for equine infectious anemia and reacted negatively within 12 months prior to such transfer of ownership.
(b) Said test shall have been conducted by a laboratory approved for the purpose by the United States Department of Agriculture and by the New York State Department of Agriculture and Markets.
(c) At the time of such transfer of ownership, the transferor shall deliver, personally or by certified mail, to the transferee a copy of the report of such negative test, which shall include:
1. (1) a complete description of the animal, including name, registration number if any, breed, brand, tattoo if any, sex, age, color and markings;
2. (2) the name and address of the owner;
3. (3) the date the test was conducted; and
4. (4) the name and address of the laboratory that conducted the test.
(d) Said test report shall be signed by:
1. (1) a duly licensed veterinarian;
2. (2) the director of the laboratory where the test was conducted; or
3. (3) the chief livestock health official of the state or country of origin of such animal.