(1) The CSSD will notify the Department of Revenue as provided for by 17-4-105, MCA, of any past due debt resulting from or relating to a child support obligation owing to or collected by the state under Title IV-D of the Social Security Act. The debt must have accrued through a written contract, court judgment, administrative order, or a distribution the recipient was not entitled to retain as described in 40-5-910, MCA, and shall be for a definite amount of money due and owing to or collected by the state under Title IV-D of the Social Security Act.

(2) If the tax refund exceeds the debt, the excess tax refund will be returned to the taxpayer by the Department of Revenue.

(3) All cases which have a past due debt resulting from or relating to a child support obligation owing to or collected by the state under Title IV-D of the Social Security Act will be referred to the Department of Revenue for debt offset.