21 CFR § 556.470
Nystatin
June 25, 2020
(a) [Reserved]
(b) Tolerances. The tolerances for nystatin are:
(1) Cattle. Edible tissues (excluding milk): Zero.
(2) Chickens and turkeys. Edible tissues: Zero.
(c) Related conditions of use. See §§524.1600b and 558.430 of this chapter.