Conventions and Protocols on Avoidance of Double Taxation and the Prevention of Fiscal Evasion with Respect to Taxes on Income and Capital; Treaty Doc. 103-29, Sweden; Treaty Doc. 103-30, Ukraine; Treaty Doc. 103-31, Mexico; Treaty Doc. 103-32, France; Treaty Doc. 103-33, Kazakhstan; Treaty Doc. 103-34, Portugal; Treaty Doc. 104-4, Canada