(a) Subject to the provisions of subsection (b), all members in school employment who are subject to the continuing contract law shall be paid their contractual compensation in not less than 12 substantially equal installments, paid once, or more often, each month.

(b) Upon written authorization from any member in school employment who is subject to the continuing contract law, an employer shall pay the balance of such member’s contractual compensation for the school year in one payment upon completion of all contractual obligations of the member. The authorization shall be filed with the employer not later than April 1 of the school year in and for which the balance payment is first authorized. A written authorization under this subsection shall remain in effect until revoked in writing by the member filing the authorization. So long as the authorization of such member remains in effect, the balance of the member’s contractual compensation shall be paid each school year in accordance with the provisions of this subsection. Such payment shall be made no later than June 30 of the school year. For the purposes of the Kansas public employees retirement system, the employer shall make the appropriate employee contribution deduction from the payment and shall report and remit the amount so deducted to the executive director at the time monthly deductions and quarterly reports would normally be made under Kan. Stat. Ann. § 74-4919, and amendments thereto, if the authorization for one payment was not in effect.

(c) Notwithstanding the provisions of subsections (a) and (b), each member in school employment who is subject to the continuing contract law, who has completed the balance of such member’s contractual obligations and retires prior to the end of a school year under Kan. Stat. Ann. § 74-4937, and amendments thereto, shall be paid the balance of the member’s contractual compensation in one payment during the calendar month immediately preceding the date of retirement. For the purposes of the Kansas public employees retirement system, the employer shall make the appropriate employee contribution deduction from the payment and shall report and remit the amount so deducted to the executive director at the time monthly deductions and reports are made under Kan. Stat. Ann. § 74-4919, and amendments thereto, for the period in which the payment is made except that such report and remittance shall not include any amount which would have been reported normally in the next ensuing period under subsection (b). No employee contribution deduction shall be made from such amount and such amount shall not be included as compensation in determining the member’s final average salary.

(d) An employer of members in school employment who are not subject to the continuing contract law may adopt a policy providing that any or all such members shall be paid their contractual compensation each school year in not less than 12 substantially equal installments, paid once, or more often, each month commencing in the first month of any such member’s school employment. A copy of any such policy shall be provided to each such member in school employment.

(e) As used in this section, the term “school employment” means the employment of a member when employed by an eligible employer as specified in any of subsections (1), (2) or (3) of Kan. Stat. Ann. § 74-4931, and amendments thereto.