(a) Insurance inquiry.--Within ten days of notice of a claim, the fund shall demand from the employer proof of applicable insurance coverage. Within 14 days from the date of the fund's request, the employer must provide proof of insurance. If the employer does not provide proof, there shall be rebuttable presumption of uninsurance.

(b) Reimbursement.--The department shall, on behalf of the fund, exhaust all remedies at law against the uninsured employer in order to collect the amount of a voluntary payment or award, including voluntary payment or award itself and reimbursement of costs, interest, penalties, fees under section 440¹ and costs of the fund's attorney, which have been paid by the fund. The fund shall also be reimbursed for costs or attorney fees which are incurred in seeking reimbursement under this subsection. The department is authorized to investigate violations of section 305 for prosecution of the uninsured employer pursuant to section 305(b)² and shall pursue such prosecutions through coordination with the appropriate prosecuting authority. The fund shall be entitled to restitution of all payments made under this article as the result of an injury to an employee of an uninsured employer. Restitution to the fund under section 305 shall not be limited to the amount specified in the award of compensation and shall include the amount of a voluntary payment or award and reimbursement of the fund's costs and the fees of the fund's attorney.

(c) Bankruptcy.--The department has the right to appear and represent the fund as a creditor in a bankruptcy proceeding involving the uninsured employer.

(d) Liens.--If payments of any nature have been made by the fund on behalf of an uninsured employer, the fund shall file a certified proof of payment with the prothonotary of a court of common pleas, and the prothonotary shall enter the entire balance as a judgment against the employer. The judgment shall be a statutory lien against property of the employer in the manner set forth in section 308.1 of the act of December 5, 1936 (2nd Sp.Sess., 1937 P.L. 2897, No. 1),³ known as the Unemployment Compensation Law, and execution may issue on it. The fund has the right to update the amount of the lien as payments are made.