798Recovery under section 795: time limitU.K.
(1)A notice under section 795(2) must be served before the end of the period of 3 years beginning with the date on which A's liability to corporation tax for the relevant accounting period is finally determined.
(2)In subsection (1) “A” and “the relevant accounting period” have the same meaning as in section 795 (see section 795(1) and section 796(1) respectively).
(3)If the unpaid tax is charged because of a determination under paragraph 36 or 37 of Schedule 18 to FA 1998 (determination where no return delivered or return incomplete), the date mentioned in subsection (1) is the date on which the determination was made.
(4)If the unpaid tax is charged in a self-assessment, the date mentioned in subsection (1) is the latest of—
(a)the last date on which notice of enquiry may be given into the return containing the self-assessment,
(b)if notice of enquiry is given, 30 days after the enquiry is completed,
(c)if more than one notice of enquiry is given, 30 days after the last notice of completion,
(d)if after such an enquiry an officer of Revenue and Customs amends the return, 30 days after notice of the amendment is issued, and
(e)if an appeal is brought against such an amendment, 30 days after the appeal is finally determined.
(5)If the unpaid tax is charged in a discovery assessment, the date mentioned in subsection (1) is—
(a)if there is no appeal against the assessment, the date when the tax becomes due and payable, and
(b)if there is such an appeal, the date on which the appeal is finally determined.
(6)In this section—
“self-assessment” includes a self-assessment that supersedes a determination as a result of paragraph 40 of Schedule 18 to FA 1998, and
“discovery assessment” means an assessment under paragraph 41(1) of that Schedule.