Section 10.500 - [Effective 12/15/2026] General requirementsWEA mobile device functionality is dependent on the capabilities of a Participating CMS Provider's delivery technologies. Mobile devices are required to perform the following functions:
(a) Authentication of interactions with CMS Provider infrastructure.(b) Monitoring for Alert Messages.(c) Maintaining subscriber alert opt-out selections, if any.(d) Maintaining subscriber alert language preferences, if any.(e) Extraction of alert content in English and the subscriber-specified default language, if applicable.(1) Storing pre-scripted alerts in English, Spanish, Chinese, Tagalog, Vietnamese, Arabic, French, Korean, Russian, Haitian Creole, German, Hindi, Portuguese, and Italian.(2) Allowing the subscriber to choose to receive pre-scripted Alert Messages in American Sign Language (ASL) instead of or in addition to their mobile device's subscriber-specified default language setting.(f) Presentation of alert content to the device, consistent with subscriber opt-out selections. National Alerts must always be presented.(g) Detection and suppression of presentation of duplicate alerts.(h) Preservation of Alert Messages in a consumer-accessible format and location for at least 24 hours or until deleted by the subscriber.(i) For Alert Messages with a target area specified by a circle or polygon, when a device has location services enabled and has granted location permissions to its native mapping application, Participating CMS Providers must support the presentation of a map along with an emergency alert message that includes at least (1) The shape of the target area,(2) The user's location relative to the target area, and(3) A geographical representation of a target area in which both the targeted area and user are located. 73 FR 43117 , July 24, 2008, as amended at 78 FR 16808 , Mar. 19, 2013; 83 FR 8623 , Feb. 28, 2018; 86 FR 46790 , Aug. 20, 2021 83 FR 8623 , 11/30/2019; 86 FR 46790 , 9/20/2021; 88 FR 86837 , effective date to be determined ; 88 FR 86837 , 12/15/2026