(1) A class 1 professional teacher's license shall be valid for a period of five years.

(2) To obtain a class 1 professional teacher's license an applicant must have:

(a) a master's degree or one year of study consisting of at least 30 graduate semester credits beyond the bachelor's degree in professional education or an endorsable teaching area(s) from an accredited college or university; and

(b) verification of three years of successful teaching experience or the equivalent.

(3) A class 1 professional teacher's license shall be renewable pursuant to the requirements of ARM 10.57.215.

(4) A lapsed class 1 professional teacher's license may be reinstated by showing verification of:

(a) 60 renewal units earned during the five-year period preceding the validation date of the new license; or

(b) 120 renewal units earned during the nine-year period preceding the validation date of the new license.