Under Section 59A TMA 1970 payments on account are calculated by
reference to a ‘relevant amount’ of the income tax
assessed for the previous year.
The relevant amount is the amount by which the total income
tax contained in a person’s self assessment, after allowances
and reliefs, exceeds the amount of tax deducted at source.
Taxpayers do not have to make payments on account if 80 per
cent or more of their total income tax assessed for the previous
year was tax deducted at source.
For the 80 per cent test, total income tax assessed should
also include
And
The computer calculates the correct payments on account due, and
the figure in the 'Notional Tax / Tax Credits' field in function
CREATE RETURN CHARGE is taken into account when calculating the 80
per cent test for payments on account. It is automatically updated
with information following the capture of returns.
An agent or taxpayer may contact you about this problem
before the return is submitted in which case you should ask them to
highlight the matter when submitting the completed return. Other
cases may not be identified until after the return has been
captured.
In all cases the return should be processed as normal and
where payments on account are not required under the 80 per cent
test, action should be taken to remove the following year’s
payments on account from the SA record.