A copy of the [1967 c. 76.] Road Traffic Regulation Act 1967 as amended by this Part of this Act, by the [1967 c. 77.] Police (Scotland) Act 1967 and by the [1968 c. 59.] Hovercraft Act 1968 shall be prepared and certified by the Clerk of the Parliaments and deposited with the rolls of Parliament; and, except for the purposes of any volume containing the Public General Acts and Measures of 1967, any copy of the first-mentioned Act to be printed by Her Majesty's printer after the last of the appointed days for the purposes of the provisions of this Part of this Act shall be printed in accordance with the copy so certified and be marked with a statement to the effect that in pursuance of this section it is printed as amended as aforesaid.

If any copy of the principal Act as amended as aforesaid prepared in accordance with the copy certified as aforesaid is printed and published by Her Majesty's printer after the passing of this Act but before the last of the appointed days aforesaid, it shall be marked both with such a statement as aforesaid and with a statement to the effect that it represents the principal Act as it will have effect after the last of those days.