(a) American sign language is recognized and adopted as the official and native sign language of the deaf in this state.
(b) It is the intent of the general assembly to:
(1) Formally express its respect for American sign language;
(2) Promote public awareness of and appreciation for American sign language, its use and its benefits;
(3) Preserve the culture and heritage of American sign language; and
(4) Encourage Tennessee schools to offer courses in American sign language and to accept these courses as satisfying foreign language requirements.
(c) The state board of education shall adopt a policy allowing American sign language courses to satisfy the foreign language credits required for graduation.