US FDA

21 CFR 601.12 - Changes to an Approved Biologics License Application

Plain-language explanation, inspection context and common violation patterns.

What it says

Changes to an approved biologics license application, including manufacturing process, facility, equipment, specification or labeling changes, must be reported to FDA through one of several defined categories, prior approval supplement, changes being effected supplement, or annual report, based on the change's potential to affect the identity, strength, quality, purity or potency of the product.

Paraphrased for plain-language clarity. Always verify against the current published regulation text.

What it means in practice

What FDA inspectors look for

Most common violation

A manufacturing change implemented under a changes being effected or annual report classification when its actual impact on product quality required prior FDA approval before implementation.

Related regulations

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