All items in this sub-series relate to House Bill 1 (1971-1972: A Joint Resolution proposing an amendment to article eight, section one of the Constitution of the Commonwealth of Pennsylvania further providing for uniformity of taxation and exemptions therefor; 1975-1976: A Joint Resolution proposing an amendment to article eight, section one of the Constitution of the Commonwealth of Pennsylvania by excluding from the provisions of said section and article the imposition by the Commonwealth solely for State General Fund purposes of a personal income tax; and authorizing the General Assembly to enact such exemptions, deductions, credits, bases, rates or special tax provisions it may deem necessary in connection with such tax; 1979-1980: A Joint Resolution proposing an amendment to the Constitution of the Commonwealth of Pennsylvania, authorizing special tax provisions for taxpayers in certain areas.)