21 CFR § 556.660
Sulfamerazine
June 25, 2020
(a) [Reserved]
(b) Tolerances. The tolerance for sulfamerazine is:
(1) Trout. Edible tissues: Zero.
(2) [Reserved]
(c) Related conditions of use. See §§520.2218 and 558.582 of this chapter.
[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]