(a) An assignment for Teacher of Students with Auditory Impairments is allowed with one of the following certificates.(1) Deaf and Severely Hard of Hearing.(2) Hearing Impaired.(3) Teacher of the Deaf and Hard of Hearing: Early Childhood-Grade 12.(b) A teacher in an assignment for Teacher of Students with Auditory Impairments must be available to students with auditory impairments.(c) A teacher in an assignment for Teacher of Students with Auditory Impairments is not required to pass the Texas Assessment of Sign Communication (TASC) or the Texas Assessment of Sign Communication-American Sign Language (TASC-ASL) in order to be assigned to a classroom in which another communication method is used predominately. If this teacher completes certification requirements through a State Board for Educator Certification-approved educator preparation program in Texas, the program must have assessed proficiency in the communication method and verified it to be at an appropriate level.