A. The district or administrative court shall determine the actual annualized child care expenses reasonably necessary to enable either or both parents to:

B. When a parent is participating in the Department of Human Services child care subsidy program as provided under Section 230.50 of Title 56 of the Oklahoma Statutes, the Child Care Eligibility/Rates Schedule established by the Department shall be used. The actual child care costs incurred shall be the family share copayment amount indicated on the schedule which shall be allocated and paid monthly in the same proportion as base child support. The Department of Human Services shall promulgate rules, as necessary, to implement the provisions of this section.

C. The actual annualized child care costs incurred for the purposes authorized by this section shall be allocated and added to the base child support order and shall be part of the final child support order.

D. The district or administrative court shall require the parent incurring child care expenses to notify the obligor within forty-five (45) days of any change in the amount of the child care costs that would affect the annualized child care amount as determined in the order.

E. A parent may be allowed to provide child care incurred during employment, employment search or while the other parent is attending school or training if the court determines it would lead to a significant reduction in the actual annualized child care cost.