An Act amending the act of November 22, 1978 (P. L. 1157, No. 272), entitled "An act amending the act of March 11, 1971 (P. L. 104, No. 3), entitled, as amended, 'An act providing property tax or rent rebate to certain senior citizens, widows, widowers and permanently disabled persons with limited incomes; establishing uniform standards and qualifications for eligibility to receive a rebate; and imposing duties upon the Department of Revenue,' extending the time for filing claims, making editorial changes and substituting a declaration for an affidavit of widow or widower status," further providing for claims.