A method of dynamic station enablement procedure in a wireless local area network (WLAN) is disclosed. A method of performing an enablement procedure by a first station in a regulatory domain where a licensed device and an unlicensed device are permitted to operate together in a wireless local area network (WLAN) comprises receiving, from a second station, an enabling signal including advertisement protocol element with an advertisement protocol identification (ID) field which indicates an advertisement protocol the second station supports; and exchanging DSE (dynamic station enablement) related messages with the second station using a GAS (generic advertisement service) protocol.