SCHEDULE 18 Company tax returns, assessments and related matters
Part IV Enquiry into company tax return
Completion of enquiry
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F1(1)
Any matter to which an enquiry relates is completed when an officer of Revenue and Customs informs the company by notice (a “partial closure notice”) that they have completed their enquiries into that matter.
(1A)
An enquiry is completed when an officer of Revenue and Customs informs the company by notice (a “final closure notice”)—
(a)
in a case where no partial closure notice has been given, that they have completed their enquiries, or
(b)
in a case where one or more partial closure notices have been given, that they have completed their remaining enquiries.
(1B)
A partial or final closure notice takes effect when it is issued.
(2)
(3)
If there is more than one accounting period ending in or at the end of the period specified in the notice requiring a return, the closure notice shall only designate the first of those accounting periods for which no return has been delivered.
Paragraph 35 provides for a return to be delivered for any other outstanding accounting period.
F5(4)
In the Taxes Acts, references to a closure notice under this paragraph are to a partial or final closure notice under this paragraph.