In this subchapter:
(1) "Federal share" means the portion of allowable expenses for fees and other costs that will be reimbursed by the federal government under federal law and regulations regarding the administration of the Title IV-D program.
(2) "State share" means the portion of allowable expenses for fees and other costs that remain after receipt of the federal share of reimbursement and that is to be reimbursed by the state or may be contributed by certified public expenditure by a county.