(a) Within six (6) years after the date the services were rendered, the attorney general may sue on behalf of the state to recover payment or reimbursement from each person who has received legal assistance or other benefits under this act or, in the case of an unemancipated minor, from his custodial parent or any other person who has a legal obligation of support.

(b) Amounts recovered under this act shall be paid into the state general fund.