Section 604.157 - Renewal of Temporary Permit(a) Before the expiration of a temporary permit, the permit holder may apply for renewal of the temporary permit.(b) The advisory board may renew a temporary permit for not more than one additional period, pending compliance with this chapter and advisory board rules. The additional period may not be less than six months or more than 12 months.Amended by Acts 2015, Texas Acts of the 84th Leg. - Regular Session, ch. 838,Sec. 2.180, eff. 9/1/2015.Amended by Acts 2015, Texas Acts of the 84th Leg. - Regular Session, ch. 1,Sec. 5.202, eff. 4/2/2015. Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. 9/1/1999.