(1) Each provision of the Principal Act mentioned in column (1) of Schedule E to this Act is hereby amended in the manner specified in column (2) of that Schedule opposite the mention of that provision in column (1).
(2) Subsection (1) of this section shall not have effect for the purposes of section 18 of this Act.
(3) Every reference in the Principal Act and in any other enactment to lone parent's allowance shall be construed as a reference to one-parent family payment.