Power of Government to exempt from obligation to use docks, etc.

Notwithstanding anything contained in section 27 or 28, the Government may, if in their opinion, it is necessary in the public interest so to do, by general or special order, from time to time, permit certain specified vessels or classes of vessels to discharge or ship goods or certain specified goods at such place in a port or within the port approaches, during such period and subject to such payments to the Board and on such terms and conditions as the Government may think fit.