Section 37-42-307 - Retention of certificate by operators who terminate employment - notification to department(1) Operators who terminate employment may retain their certificate for 2 years, provided that all other requirements are met. After 2 years, a certificate is automatically invalidated. Operators whose certificates are invalidated under this chapter may be issued new certificates of like classification, provided appropriate proof of competency is presented to the department. Successful completion of an examination may be required at the discretion of the department.(2) Any person, firm, or corporation, both municipal and private, shall notify the department within 3 business days after termination if a certified water or wastewater operator terminates employment.En. Sec. 7, Ch. 239, L. 1967; amd. Sec. 88, Ch. 349, L. 1974; R.C.M. 1947, 69-5907(3); amd. Sec. 12, Ch. 243, L. 1983.