Public [act] 251-486, 73d Congress. Processing taxes. S. 2674, act to amend act to relieve existing national economic emergency by increasing agricultural purchasing power, to raise revenue for extraordinary expenses incurred by reason of such emergency, to provide emergency relief with respect to agricultural indebtedness, to provide for orderly liquidation of joint-stock land banks, and for other purposes [relative to refund or credit of tax on products for charitable distribution or use].