PART VII GENERAL PROVISIONS RELATING TO TAXATION OF INCOME OF INDIVIDUALS
CHAPTER I PERSONAL RELIEFS
The reliefs
C2257CC1 Indexation of amounts in sections 257 and 257A.
C31
If the retail prices index for the month of F1September preceding a year of assessment is higher than it was for the previous F1September, then, unless Parliament otherwise determines, F4sections 257 F6F7. . . and 257A shall apply for that year as if for each amount specified in them as they applied for the previous year (whether by virtue of this section or otherwise) there were substituted an amount arrived at by increasing the amount for the previous year by the same percentage as the percentage increase in the retail prices index, and—
a
if in the case of an amount specified in sections 257(5) and 257A(5) the result is not a multiple of £100, rounding it up to the nearest amount which is such a multiple;
b
if in the case of any other amount the increase is not a multiple of £10, rounding the increase up to the nearest amount which is such a multiple.
F22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F5C52A
Subsection (1) above shall not require any change to be made in the amounts deductible or repayable under F8PAYE regulations during the period beginning with 6th April and ending with 17th May in the year of assessment.
C43
F34
This section shall have effect in relation to reliefs for the year 1990-91 (as well as for later years);and for that purpose it shall be assumed that sections 257and 257Aapplied for the year 1989-90as they apply, apart from this section, for the year 1990-91.