StacksVerified U.S. regulatory reference

21 CFR §558.366

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Specifications. Type A medicated articles containing 25 percent nicarbazin.
  2. (b)Sponsors. See Nos. 060728, 066104, and 069254 in § 510.600(c) of this chapter.
  3. (c)Related tolerances. See § 556.445 of this chapter.
  4. (d)Conditions of use. It is used as follows:
    1. (1)Chickens—
    2. (2)Nicarbazin single-ingredient Type A medicated articles may also be used in combination with:
      1. (i)[Reserved]
      2. (ii)Virginiamycin as in § 558.635.