(1) Subject to subsection (1A), preliminary tax appropriate to a relevant accounting period is due and payable in 2 instalments, the first of which is referred to in this section as the 'initial instalment' and the second of which is referred to in this section as the 'final instalment'.

(1A) Where a company, that comes within the charge to corporation tax under Case V of Schedule D pursuant to section 25(2A) on or after 1 January 2022, has an accounting period ending on or before 30 June 2022, preliminary tax appropriate to that accounting period is due and payable -

(a) not later than 21 June 2022, or

(b) where payment of preliminary tax is made by such electronic means as are required by the Revenue Commissioners, not later than 23 June 2022.

(2)

(a) The initial instalment is due and payable within a period of 6 months from the start of the accounting period, but where the last day of that period of 6 months is later than day 21 of the month in which it occurs, the initial instalment is due and payable not later than -

(i) day 21 of the month in which that last day occurs, or