(a) Judgments for the payment of money, other than costs, if based upon a contract action, bear interest from the day of the cause of action, at the same rate of interest as stated in the contract; all other judgments shall bear interest at the rate of 7.5 percent per annum, the provisions of Section 8-8-1 to the contrary notwithstanding; provided, that fees allowed a trustee, executor, administrator, or attorney and taxed as a part of the cost of the proceeding shall bear interest at a like rate from the day of entry.
(b) This section shall apply to all judgments entered on and after September 1, 2011.