Where (in accordance with section 190 below) the F2Treasury lay before Parliament a draft of an order under section 143 F1... above, F3they shall lay with it a copy of a report by the Government Actuary or the Deputy Government Actuary on the effect which, in that Actuary's opinion, the making of such an order may be expected to have on the National Insurance Fund.

An order under section 143 F1... above shall be made so as to be in force from the beginning of the tax year following that in which it received Parliamentary approval, and to have effect for that year and any subsequent tax year (subject to the effect of any subsequent order under this Part of this Act); and for this purpose the order is to be taken as receiving Parliamentary approval on the date on which the draft of it is approved by the second House to approve it.