Site Feedback

Title 21

Displaying title 21, up to date as of 7/16/2026. Title 21 was last amended 7/09/2026.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

§ 556.165 Cloxacillin.

(a) [Reserved]

(b) Tolerances. The tolerance for cloxacillin is:

(1) Cattle. Edible tissues: 0.01 ppm.

(2) [Reserved]

(c) Related conditions of use. See §§ 526.464 and 526.465 of this chapter.

[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020; 86 FR 13188, Mar. 8, 2021]