Proposed legislation for tax on Porto Rico bay rum, and to amend oleomargarine law and law defining wholesale and retail dealers in malt liquors. Letter from the Acting Secretary of the Treasury, transmitting a copy of a communication from the Commissioner of Internal Revenue submitting drafts of proposed legislation for imposing a tax on Porto Rico bay rum, for amending the oleomargarine bill, and for amending the law relating to wholesale and retail dealers in malt liquors.