An Act amending the "Tax Reform Code of 1971," approved March 4, 1971 (P. L. 6, No. 2), increasing the personal income, corporate stock and franchise, bank shares, title insurance and trust company shares, and insurance premiums taxes, imposing a State gross receipts tax upon unincorporated businesses, codifying provisions taxing mutual thrift institutions and increasing the tax to compensate for the gradual elimination of school real property taxes, and authorizing the Department of Revenue to collect a surtax when levied by school districts.