(a) The sponsor shall submit for evaluation and validation a regulatory method developed to monitor compliance with FDA's operational definition of no residue.
(b) The regulatory method must be able to confirm the identity of the marker residue in the target tissue at a minimum concentration corresponding to the Rm. FDA will determine the LOD from the submitted analytical method validation data.
(c) FDA will publish in the Federal Register the complete regulatory method for ascertaining the marker residue in the target tissue in accordance with the provisions of sections 409(c)(3)(A), 512(d)(1)(I), and 721(b)(5)(B) of the act.
(d) If the sponsor initially submitted a request for an import tolerance under § 510.205 of this chapter, FDA will make the complete regulatory method for ascertaining the marker residue in the target tissue publicly available pursuant to § 510.207(b) of this chapter.
[52 FR 49586, Dec. 31, 1987, as amended at 67 FR 78174, Dec. 23, 2002; 86 FR 52410, Sept. 21, 2021]
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