N.Y. Comp. Codes R. & Regs. tit. 1, § 45.1
(d) Avian influenza monitored source flock means a flock that has been so certified by the source State or country and that has met the following requirements:
(3) samples have been properly collected from 30 birds, each of which are at least three weeks of age and all of which are representative of the flock, from all pens and houses on the farm. If the flock contains less than 30 birds, all birds within the flock must be tested. Notwithstanding the preceding:
For the purposes of this Part: