(1) When communicating electronically with the Department about activities undertaken at a port, airport or wharf, a cargo handler must use his, her or its correct establishment identification for the port, airport or wharf.
(2) Subsection (1) does not apply in relation to a particular port, airport or wharf if a cargo handler has the written approval of an authorised officer for the handler to use a contingency code for the port, airport or wharf.