# Indirect Food Additives: Polymers
> **Food and Drug Administration** · Final rule. · Published 2017-05-04 · Effective 2017-05-04 · 82 FR 20829
## Document
- **Document number:** 2017-08988
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 82 FR 20829
- **CFR reference:** 21 CFR 177
- **Publication date:** 2017-05-04
- **Effective date:** 2017-05-04
- **HHS docket:** Docket No. FDA-2016-F-1805
## Abstract

The Food and Drug Administration (FDA or we) is amending the food additive regulations to no longer provide for the use of potassium perchlorate as an additive in closure-sealing gaskets for food containers because this use has been abandoned. This action is in response to a petition filed by Keller and Heckman LLP on behalf of the Society of the Plastics Industry, Inc.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/05/04/2017-08988/indirect-food-additives-polymers)
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