Senate executive document, 88th Congress, 1st session. Q. Supplementary income tax convention with Sweden, message from President of United States transmitting supplementary convention between United States and Sweden relating to income and other taxes signed Stockholm, Oct. 22, 1963, modifying and supplementing convention and accompanying protocol for avoidance of double taxation and establishment of rules of reciprocal administrative assistance in case of income and other taxes, signed Washington on Mar. 23, 1939.