[Code of Federal Regulations] [Title 26, Volume 18] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 26CFR301.6226(b)-1] [Page 177] TITLE 26--INTERNAL REVENUE CHAPTER I--INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) PART 301_PROCEDURE AND ADMINISTRATION--Table of Contents Assessment Sec. 301.6226(b)-1 5-percent group. (a) In general. All members of a 5-percent group shall join in filing any petition for judicial review. The designation of a partner as a representative of a notice group does not authorize that partner to file a petition for a readjustment of partnership items on behalf of the notice group. (b) Effective date. This section is applicable to partnership taxable years beginning on or after October 4, 2001. For years beginning prior to October 4, 2001, see Sec. 301.6226(b)-1T contained in 26 CFR part 1, revised April 1, 2001. [T.D. 8965, 66 FR 50553, Oct. 4, 2001]