Texas Parks and Wildlife Code - PARKS & WILD § 64.024. Regulations

(a) The department shall conduct investigations prior to the issuance of regulations on an open season for a migratory game bird. The regulation may be issued if the supply of the migratory game bird is sufficient.

(b) The commission may adopt an emergency regulation governing the hunting or possession of migratory game birds if the commission finds that an emergency condition affecting the supply or condition of migratory game birds exists.