Any teacher who served on active duty with the armed forces of the United States shall be given credit by the department for the teacher's military service in the determination of the teacher's salary, the teacher's eligibility for leaves of absence, and for all other purposes of seniority. Both reentering and entering teachers shall have each year of their military service or six months thereof credited as a year of teaching experience; provided that no more than four years of credit for military service shall be allowed. Evidence of military service shall be by certificate.
HRS § 302A-627