"An Act: To provide for the collection of the Federal unemployment tax in quarterly installments during each taxable year; to make status of employer depend on employment during preceding as well as current taxable year; to exclude from the computation of the excess the balance in the employment security administration account as of the close of fiscal years 1970 through 1972; to raise the limitation on the amount authorized to be made available for expenditure out of the employment security administration account by the amounts so excluded; and for other purposes.": document no. 1.