40 Pa. Stat. § 833
If the Insurance Commissioner is satisfied that such company is solvent, and has the cash capital herein provided for and surplus assets in excess of its capital stock, its outstanding debts, and the premiums reserve specified, and that it has in all respects complied with and is qualified under this act, he shall issue to such company, and to each of its agents in this State, his certificate that it is authorized to become and be accepted as sole surety on all bonds, undertakings, and obligations required or permitted by law or the charter, ordinances, rules, or regulations of any municipality, board, body, organization, or public officer, which said certificate shall be conclusive proof of the solvency and credit of such company for all purposes and of its right to be so accepted as such sole surety and its sufficiency as such.
40 P.S. § 833