Customs plural a : obligations, tolls, or imposts imposed by the sovereign law of a country on imports or exports b commonly singular in construction : the agency, institution, or technique for amassing this kind of customs went by way of customs in the airport with no issues Robert Shireman, https://www.ecom-group.com/training-events/sap-grc-sap-access-control-implementation-and-configuration-grc300/