(a) Complaints to TDI. Complaints received by TDI against a URA must be processed under TDI's established procedures for investigation and resolution of complaints.(b) TDI inquiries. TDI may address inquiries to a URA related to any matter connected with URA transactions TDI considers necessary for the public good or for the proper discharge of TDI's duties. Under Insurance Code §38.001, a URA that receives an inquiry from TDI must respond to the inquiry in writing not later than the 15th day after the date the inquiry is received.(c) TDI-DWC inquiries. This section does not limit the ability of the commissioner of workers' compensation or TDI-DWC to make inquiries, conduct audits, or receive and investigate complaints against URAs or personnel employed by or under contract with URAs to perform utilization review to determine compliance with or violations of Labor Code