Sec. 31.123.  REQUIRED RESPONSE TO POLICE WATER SAFETY VESSEL.  The operator of a vessel underway, on sighting a rotating or flashing blue beacon light, shall reduce power immediately and bring the vessel to a no-wake speed and subsequent stop until the intention of the water safety vessel is understood.
Acts 1975, 64th Leg., p. 1405, ch. 545, Sec. 1, eff. Sept. 1, 1975.  Amended by Acts 1989, 71st Leg., ch. 543, Sec. 6, eff. June 14, 1989.