Section 41
When clearance may be refused
The proper officer of customs shall not grant a port clearance in respect of any vessel—
(a)
until the provisions of this Act and any regulation made thereunder regarding the vessel and cargo carried aboard such vessel have been complied with; or
(b)
until all charges and penalties due by such vessel or by the owner or master thereof and all duties payable in respect of any goods shipped therein have been paid or their payment secured by such deposit or written guarantee as the proper officer of customs may require.
(2)
If under the provisions of any written law a Port Officer or other proper authority has notified the proper officer of customs that any vessel is liable to be detained, the proper officer of customs shall not issue a port clearance in respect of such vessel without the written concurrence of such Port Officer or other proper authority.