Safe levels and availability of analytical methods.
21 C.F.R. § 530.40
in effectEffective: 2024-07-01(a) In accordance with § 530.22, the following safe levels for extralabel use of an approved animal drug or human drug have been established: [Reserved]
(b) In accordance with § 530.22, the following analytical methods have been accepted by FDA: [Reserved]
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026