5.—(1) The Fourth Schedule to the Principal Act is hereby amended by the substitution for Part IV (inserted by section 5 of the Act of 1989) of the following Part:
“PART IV
Amounts of Child Benefit
Amount for each of first four children
Amount for each child in excess of four
(1)
(2)
£15.80
£22.90
”.
(2) This section shall come into operation on the 2nd day of October, 1990.