Transportation Code, §644.201 designates the department as the state routing agency for non-radioactive hazardous materials (NRHM), in accordance with Title 49, Code of Federal Regulations, Part 397, Subpart C. Effective January 1, 1998, the department is required to approve all new NRHM routing designations or revisions to routing designations established prior to January 1, 1998 by the Texas Department of Public Safety.     
     Source Note:        The provisions of this §25.101 adopted to be effective January 8, 1998, 23 TexReg 153; amended to be effective January 5, 2012, 36 TexReg 9350