(1) Where a person claims to be the agent of an owner of goods for the purposes of the Customs Acts at a place, an officer may require that person to produce written authority from the owner authorizing that person to be such an agent and, if that written authority is not produced, the officer may refuse to recognize the authority of that person to act on behalf of the owner at that place.
(2) Where a nominee of a customs broker claims that that customs broker is the agent of an owner of goods for the purposes of the Customs Acts at a place, an officer may require the nominee to produce a copy of the written authority from the owner of the goods authorizing the customs broker to be such an agent and, if that written authority is not produced, the officer may refuse to recognize the authority of the nominee to act on behalf of the owner at that place.