SECTION 4. EFFECTIVE DATE

The examples in this notice illustrate the principles of section 937(b) and the temporary regulations, which generally apply to taxable years ending after October 22, 2004, except with respect to the U.S. income rule of section 937(b)(2) and Temp. Treas. Reg. §§ 1.937–2T(c)(1) and 1.937–3T(c)(1), which apply to income earned after December 31, 2004.