Section 47. For every port at which port-dues are levied under this Act, a distinct account, to be called the Ac

47. For every port at which port-dues are levied under this Act, a distinct account, to be called the Account of the Port Fund of the port to which it relates, shall be kept by such officer as the Local Government may appoint for that purpose. This account shall show in complete detail the receipts and charges of the port; and an abstract statement of every such account shall be published annually, as soon after the first of May of each year as may be practicable, in which statenlent the balance at the close of the year at thc credit or debit of the port shall be shown. If, for any of the purposes of this Act, an advance of money has been or shall be made by Government on account of ally port subject to this Act, simple interest upon that advance, or upon so much of it as remains or shall reniain unrepaid, at such rate as the Governor General in Council may determine, shall be charged in the Port Pund Account thereof. All expenses, including the pay and allowances of all persons upon the establishiiient of the port, the cost of 'buoys, beacons, lights and all other morlis maintained chiefly for the benefit of vessels being in, or entering, or leaving the port, or passing through the `29` .tl-~c rivers or channels leading thereto, but excluding receipts and expenses on account of pilotage, incurred for thecsake of every such port, shall be charged in the Port Fund Account of that port. And all money, including salvage-money, proceeds of waifs, and fines, received under this Act, at or on account of every such port, shall be credited in the Port Fund Account of that port. The Local Government may dkrect that for the purposes of this section any number of ports shall be regarded as constituting a single port; and thereupon all sulns received on account of port-dues at any of the same ports shall form a common fund which shall be available for the payment of all charges incurred on account of any of the same ports, and such balaace as may remain after payment of such expenses may be temporarily invested in such manner as the Local Government may from time to time direct.