# Listing of Color Additives Exempt From Certification; Spirulina Extract; Confirmation of Effective Date
> **Food and Drug Administration** · Final rule; confirmation of effective date. · Published 2017-09-20 · Effective 2017-07-03 · 82 FR 43845
## Document
- **Document number:** 2017-20050
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 82 FR 43845
- **CFR reference:** 21 CFR 73
- **Publication date:** 2017-09-20
- **Effective date:** 2017-07-03
- **HHS docket:** Docket No. FDA-2016-C-2570
## Abstract

The Food and Drug Administration (FDA or we) is confirming the effective date of August 3, 2017, for the final rule that appeared in the Federal Register of July 3, 2017, and that amended the color additive regulations to provide for the expanded safe use of spirulina extract to seasonally color hard-boiled shell eggs at levels consistent with good manufacturing practice.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/09/20/2017-20050/listing-of-color-additives-exempt-from-certification-spirulina-extract-confirmation-of-effective)
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