(a) Use the following classification structure when drafting rules.
  (1) We assign each agency to a title identified by a number and subject category. Example: Title 1, Administration.
  (2) We assign each agency a part number to identify the agency within its title. The name of the part is the agency's name. Example: Part 4, Office of the Secretary of State.
  (3) We assign a range of chapter numbers to each agency. Within that range, organize and name the chapters according to subject matter. Example: Chapter 91, Texas Register.
  (4) You may subdivide a chapter into subchapters identified by capital letters. Name subchapters according to subject matter. Example: Subchapter C, Rulemaking.
  (5) You may subdivide a subchapter into divisions identified by numbers. Name subdivisions according to subject matter. Example: Division 1, Administration.
(b) Do not indicate chapters, subchapters, divisions, rule numbers, or portions of rules as reserved for future use.

Source Note: The provisions of this §91.31 adopted to be effective March 23, 2003, 28 TexReg 2303