Customs plural a : responsibilities, tolls, or imposts imposed from the sovereign regulation of a country on imports or exports b ordinarily singular in building : the company, establishment, or course of action for gathering these types of customs went by customs at the airport without any difficulty Robert Shireman, https://www.ecom-group.com/training-events/sap-grc-sap-access-control-implementation-and-configuration-grc300/