Conditions in relation to dutiable goods for export
4. Where dutiable goods have been uplifted or loaded into a vessel for export at an authorised pier or place —
(a)
in the case of a local craft carrying such goods for loading into an exporting vessel, the local craft shall proceed direct from the authorised pier or place to the exporting vessel in the Eastern Anchorage, the Western Anchorage or an anchorage approved by the Director-General; and
(b)
in the case of a vessel directly exporting such goods, the vessel shall after loading leave the authorised pier or place by the most direct or usual sea route and shall not call at any other place in Singapore for any purpose whatsoever without the prior approval of a senior officer of customs, except that a vessel may, on leaving a free trade zone, call at another free trade zone by the most usual sea route without such prior approval.