51. (1) The Government may make rules to regulate the following matter, namely:- (a) the salving, collection and disposal of all timber mentioned in section 45; (b) the use and registration of boats used in salving and collecting timber; (c) the amounts to be paid for salving, collecting, moving, storing or disposing of such timber; and (d) the use and registration of hammers and other instruments to be used for marking such timber. (2) The Government may prescribe, as penalties for the contravention of any rules made under this section, imprisonment for a term which may extend to ¹[three years and shall not be less than two months and shall also be laible to fine which may extend to ten thousand Taka and shall not be less than two thousand Taka].