17. Recovery of charges in arrears

The authority shall in respect of charges which have not been paid on any goods, have a lien on such goods and shall be entitled to seize and detain such goods until the charges are fully paid.

Such lien shall have priority over all other lien and claims, except claims for money payable to the Government.

Charges in respect of goods to be landed shall become payable immediately on the landing of such goods.

Charges in respect of goods to be shipped shall be payable before such goods are shipped.

Charges in respect of goods to be removed from the premises of the authority shall be payable on demand.