# Wireless Emergency Alerts; Emergency Alert System
> **Federal Communications Commission** · Final rule. · Published 2018-02-28 · Effective 2018-04-30 · 83 FR 8619
## Document
- **Document number:** 2018-03990
- **Category:** other
- **Federal Register citation:** 83 FR 8619
- **CFR reference:** 47 CFR 10
- **Publication date:** 2018-02-28
- **Effective date:** 2018-04-30
- **FCC docket:** PS Docket Nos. 15-91, 15-94
## Abstract

This document adopts revisions to Wireless Emergency Alert (WEA) rules to improve utility of WEA as a life-saving tool. By this action, the Commission adopts rules that will improve the accuracy with which Participating CMS Providers transmit Alert Messages to the specified target area. This document also adopts rules to preserve Alert Messages on mobile devices, inform consumers about WEA capabilities at the point of sale, define participation in WEA, and extend the compliance deadline for Spanish language alerting. Through this action, the Commission hopes to empower state and local alert originators to utilize WEA during emergencies.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/02/28/2018-03990/wireless-emergency-alerts-emergency-alert-system)
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