4. Enforcing and collecting child support obligations; however, the only support in arrears that may be enforced by administrative action is (i) arrearages accrued or accruing under a court order or decree or (ii) arrearages on an administrative order accruing from the entry of such administrative order. No individual shall be required to obtain support services from the Department prior to commencing a judicial proceeding to establish, modify, enforce or collect a child support obligation. The Board shall charge the following fees: a. One dollar, upon application for services pursuant to this section. At the option of the Department, the fee may be paid by the Department on behalf of the applicants; b. Twenty-five dollars, for the cost of reopening a case within six months of requesting case closure; and c. Thirty-five dollars per federal fiscal year in each case of an obligee who has never received assistance pursuant to the Temporary Assistance for Needy Families program and for whom the Department has collected at least $550 of child support annually. The Department shall collect and retain such fee from the amount of child support collected annually in excess of $550. The Department is further designated as the public entity responsible for implementing immediate income withholding pursuant to § 466 of the Social Security Act, as amended.