21 CFR 558.586
§ 558.586 Sulfaquinoxaline.
United States · 21 CFR — Food and Drugs · Status: effective
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- Citation
- 21 CFR 558.586, § 558.586 Sulfaquinoxaline, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87892
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Full text
(a) Specifications. Type A medicated articles containing 40 percent sulfaquinoxaline.
(b) Sponsor. See No. 016592 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.685 of this chapter.
(d) Special considerations.
(1) Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian. See § 558.6 for additional requirements.
(2) The expiration date of VFDs for sulfaquinoxaline medicated feeds must not exceed 6 months from the date of issuance. VFDs for sulfaquinoxaline shall not be refilled.
(e) Conditions of use—(1) Chickens—
(2) Turkeys—
(3) Rabbits—
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.