Section 56. Vessels entering any port subject to this Act (other than the ports in British Burma) in ballast and

56. Vessels entering any port subject to this Act (other than the ports in British Burma) in ballast and not ca~rying passengers, shall be charged with a port-due not exceeding three-fourths of the portdue vith which they would otherwise be chargeable. 57. When any vessel enters ally port subject to this Act, but does not discharge or take in any cargo or passenger therein (with the exception of such unshipment and reshipment as may be necessa.ry for pur1'0ses of repair), the port-clue chargeable in respect of `e` 2 8 lhdia?~ Ports. i 1875. ] of such vessel shall be at a rate equal to one-half the rate chargeable in respect of other vessels : Provided that no vessel entering any of the ports subject to the Governor of Fort St. George in Council and leaving the same within forty-eight hours without discharging or taking in any passengers or cargo, shall be charged with any port-dues.