21 CFR § 556.580
Robenidine
June 25, 2020
(a) [Reserved]
(b) Tolerances. The tolerances for robenidine are:
(1) Chickens.
(i) Skin and fat: 0.2 ppm.
(ii) Other edible tissues (excluding eggs): 0.1 ppm.
(2) [Reserved]
(c) Related conditions of use. See §558.515 of this chapter.