Paragraph 25
(1)
A claim under paragraph 24 may not be made—
(a)
if the amount paid is excessive by reason of a mistake in a DST return or returns, more than 4 years after the end of the accounting period to which the return (or, if more than one, the first return) relates, and
(b)
otherwise, more than 4 years after the end of the accounting period in respect of which the amount was paid.
(2)
A claim must—
(a)
be in the specified form, and
(b)
contain specified information.
(3)
A claim may not be made by being included in a DST return.
(4)
In this paragraph “specified” means specified in a notice published by HMRC.