CFR › Title 21 › Part 558 › §558.43021 CFR §558.430Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Specifications. Type A medicated article containing 20 grams of nystatin activity per pound.(b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.(c)Related tolerances. See § 556.470 of this chapter.(d)Conditions of use—