(A) A member of the school employees retirement system may purchase service credit for an unpaid board approved leave of absence so long as the member provides certifications from the employer establishing the following:
(1) That the employer officially approved the leave of absence and identifying the beginning and ending dates of the leave;
(2) The number of days the member would have worked during the leave period; and
(3) The compensation the member would have received for the period of the approved leave.
(B) Payment shall be made by payroll deduction or by payment to the member's employer who shall transmit the payment to the retirement system.
(C) Service credit purchased under this rule may be purchased in increments of one month.
(D) Amounts paid by a member to purchase service credit shall be credited to the employees' savings fund.
(E) Service credit purchased under this rule shall be considered the equivalent of Ohio service credit.