21 GCA § 104109: Allegation and Proof of Licensed Status in Action for Compensation.

No person engaged in the business or acting in the capacity of a real estate broker or a real estate salesman within Guam shall bring or maintain any action in the courts of Guam for the collection of compensation for the performance of any of the acts mentioned in this Article without alleging and proving that he was a duly licensed real estate broker or real estate salesman at the time the alleged cause of action arose.