Regulations last checked for updates: Feb 12, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026
§ 516.135 - Granting a request for determination of eligibility for indexing.

(a) FDA will grant the request for determination of eligibility for indexing if none of the reasons described in § 516.133 for denying such a request applies.

(b) When a request for determination of eligibility for indexing is granted, FDA will notify the requestor in accordance with § 516.137.

source: 72 FR 41017, July 26, 2007, unless otherwise noted.
cite as: 21 CFR 516.135