(a) School districts shall take all reasonable affirmative steps to assign appropriately certified teachers to the required bilingual and English as a second language (ESL) programs in accordance with Texas Education Code (TEC), §29.061, concerning bilingual and ESL program teachers. School districts that are unable to secure a sufficient number of appropriately certified bilingual and/or ESL teachers to provide the required programs may request activation of the appropriate permits in accordance with Chapter 230 of this title (relating to Professional Educator Preparation and Certification).(b) School districts that are unable to employ a sufficient number of teachers, including part-time teachers, who meet the requirements of subsection (a) of this section for the bilingual and ESL programs shall apply on or before November 1 for an exception to the bilingual program or a waiver for the ESL program as provided in §89.1207(a) and (b) of this title (relating to Bilingual Exceptions and English as a Second Language Program Waivers).(c) Teachers assigned to the bilingual or ESL program may receive salary supplements through bilingual education allotment funds as authorized by TEC, §48.105.(d) School districts may compensate teachers and aides assigned to bilingual or ESL programs for participation in virtual, face-to-face, and hybrid professional development outside of regular work hours designed to increase their skills or lead to bilingual or ESL certification.(e) The commissioner of education shall encourage school districts to cooperate with colleges and universities to provide training for teachers assigned to bilingual or ESL programs.(f) The Texas Education Agency shall develop, in collaboration with education service centers, resources for implementing bilingual and ESL training programs. The materials shall provide a framework for:(1) developmentally appropriate bilingual and ESL programs for prekindergarten through Grade 12;(2) affectively, linguistically, and cognitively appropriate instruction in bilingual and ESL programs in accordance with §89.1210(b)(1)-(3) of this title (relating to Program Content and Design); and(3) developmentally appropriate programs for emergent bilingual students identified with multiple needs and/or exceptionalities.