8In sections 2(2), 3(4), 62(6) and 65(3) of the [1970 c. 36.] Merchant Shipping Act 1970 (which relate respectively to crew agreements, the discharge of seamen, the return of seamen left overseas and the property of deceased seamen and authorise regulations under the section in question to provide for maximum fines of £50 in the case of section 2(2) and £100 in other cases for contraventions of the regulations) for the word " £50" or, as the case may be, " £100" there shall be substituted the word " £200 ".