# Call Authentication Trust Anchor
> **Federal Communications Commission** · Final rule. · Published 2022-01-25 · Effective 2022-02-24 · 87 FR 3684
## Document
- **Document number:** 2022-01244
- **Category:** robocall-tcpa
- **Federal Register citation:** 87 FR 3684
- **CFR reference:** 47 CFR 64
- **Publication date:** 2022-01-25
- **Effective date:** 2022-02-24
- **FCC docket:** WC Docket No. 17-97
## Abstract

In this document, the Commission takes action to further combat illegally spoofed robocalls by accelerating the date by which small voice service providers that are most likely to be the source of illegal robocalls must implement the STIR/SHAKEN caller ID authentication framework.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/01/25/2022-01244/call-authentication-trust-anchor)
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