The contract shall specify the date at or about which the school shall begin, the term of employment, the wages per month, and the time of payment thereof; such contract shall be signed in duplicate and one copy filed in the office of the business manager and the other retained by the teacher. Such contract may be issued covering any period of years, not to exceed three, over which a teacher holds a certificate which will remain valid without renewal.

Source: SDC 1939, § 15.3801; SL 1939, ch 49; SL 1955, ch 41, ch 16, § 8; SDC Supp 1960, § 15.3808; SL 1975, ch 128, § 307.