(B) Requirements for special education teachers.-- When used with respect to any public elementary school or secondary school special education teacher teaching in a State, such term means that--

(i) the teacher has obtained full State certification as a special education teacher (including certification obtained through alternative routes to certification), or passed the State special education teacher licensing examination, and holds a license to teach in the State as a special education teacher, except that when used with respect to any teacher teaching in a public charter school, the term means that the teacher meets the requirements set forth in the State's public charter school law;

(ii) the teacher has not had special education certification or licensure requirements waived on an emergency, temporary, or provisional basis; and

(iii) the teacher holds at least a bachelor's degree.