An Act amending the act of July 10, 1980 (No. 108), entitled "An act amending the act of December 5, 1936 (2nd Sp. Sess., 1937 P. L. 2897, No. 1), entitled 'An act establishing a system of unemployment *** and contributions of nonprofit organizations," eliminating a retroactive application of payment of certain contributions and granting refunds to certain employers.