# Listing of Color Additives Exempt From Certification; Calcium Carbonate; Confirmation of Effective Date
> **Food and Drug Administration** · Final rule; confirmation of effective date. · Published 2023-01-24 · Effective 2022-09-27 · 88 FR 4085
## Document
- **Document number:** 2023-01185
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 88 FR 4085
- **CFR reference:** 21 CFR 73
- **Publication date:** 2023-01-24
- **Effective date:** 2022-09-27
- **HHS docket:** Docket No. FDA-2017-C-6238
## Abstract

The Food and Drug Administration (FDA or we) is confirming the effective date of October 28, 2022, for the final rule that appeared in the Federal Register of September 27, 2022, and that amended the color additive regulations to provide for the safe use of calcium carbonate in dietary supplement tablets and capsules.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/01/24/2023-01185/listing-of-color-additives-exempt-from-certification-calcium-carbonate-confirmation-of-effective)
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