New York Laws
Article 5 - Diseases of Domestic Animals; Calves and Veal; Pure Bred Stock; Certificates of Registry.
90-C - Prohibitions.

§ 90-c. Prohibitions. 1. It shall be unlawful for any person to
purchase, or deal in, or sell cattle, swine, horses, deer, camelids,
sheep, goats or poultry at wholesale, or for any person to operate or
conduct an auction where cattle, swine, horses, deer, camelids, sheep,
goats or poultry are sold, or for any person to transport poultry,
unless such wholesale cattle, swine, horse, deer, camelids, sheep, goats
or poultry dealer or auctioneer or poultry transporter holds a domestic
animal health permit granted by the commissioner.

2. No person who holds or is required to hold a domestic animal health
permit shall purchase, sell or otherwise deal in cattle, deer, swine,
camelids, sheep or goats unless and until an ear tag is securely affixed
to the ear of such animal or unless such animal is otherwise identified
by a registration number, distinctive tattoo, electronic identification
device or other unique permanent mark or, for an animal that is moved
directly to slaughter, an official backtag.

3. No person shall deface, obliterate or remove an ear tag or other
identification mark affixed to an animal under his or her control, or
shall affix an ear tag to the ear of an animal that has previously been
affixed to the ear of another animal.

Structure New York Laws