(1) These Regulations may be cited as the Research and Development (Prescribed Activities) Regulations 2023 and come into force on 31st March 2023.
(2) Subject to paragraph (3), these Regulations have effect—
(a) for the purposes of corporation tax, in relation to accounting periods beginning after 31st March 2023,
(b) for the purposes of income tax and capital gains tax, in relation to the tax year 2023-24 and subsequent tax years.
(3) These Regulations do not apply in relation to shares or securities issued, or share options granted, unless the share or security was issued, or the share option was granted (as the case may be) after—
(a) 31st March 2023, for the purposes of corporation tax, or
(b) 5th April 2023, for the purposes of income tax and capital gains tax.