Section 10.480 - [Effective on an indefinitely defined date ] Language support(a) Participating CMS Providers are required to transmit WEA Alert Messages that are issued in the Spanish language or that contain Spanish-language characters.(b) Participating CMS Providers are required to support the display of a pre-scripted alert pre-installed and stored in the mobile device that corresponds to the default language of the mobile device. 81 FR 75726 , Nov. 1, 2016 81 FR 75726 , 11/1/2018; 88 FR 86837 , effective date to be determined