[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR171.26] [Page 121] TITLE 49--TRANSPORTATION CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 171_GENERAL INFORMATION, REGULATIONS, AND DEFINITIONS--Table of Contents Subpart C_Authorization and Requirements for the Use of International Transport Standards and Regulations Sec. 171.26 Additional requirements for the use of the IAEA Regulations. A Class 7 (radioactive) material being imported into or exported from the United States or passing through the United States in the course of being shipped between places outside the United States may be offered for transportation or transported in accordance with the IAEA Regulations (IBR, see Sec. 171.7) as authorized in paragraph (a) of Sec. 171.22, provided the requirements in Sec. 171.22, as applicable, are met.