Section 3. Calculation of interest
Hereafter all balances due the Commonwealth by any corporation, on accounts settled agreeable to the provisions of the act of March 30, 1811, or any other act of Assembly, shall bear interest from thirty days after the date of settlement, at the rate of twelve per centum per annum, until the same is paid. 1867, April 9, P.L. 58, Sec. 3.