Any interested person may petition the department requesting the adoption of a rule. The petition must be in writing to the executive director and contain the person's physical address in Texas, a clear and concise statement of the substance of the requested rule, and a brief explanation of the purpose of the requested rule. Within 60 days after receipt, the department will either deny the petition in writing, stating its reasons therefore, or will initiate rulemaking proceedings in accordance with Government Code, Chapter 2001, Subchapter B.