Sec. 368.003.  PERMITS.  The commissioners court of a county may:
(1)  require a permit for trucks that transport grease trap, sand trap, and septic waste, including trucks serving unincorporated areas of the county; 
(2)  by order establish guidelines and procedures for issuing permits to trucks that transport grease trap, sand trap, and septic waste;  and
(3)  issue a single permit number that allows a municipality participating in the county regulatory program the option to add to that permit number a suffix unique to the municipality.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.