11AAReturn of profits to include self-assessment

1

Every return under section 11 of this Act for an accounting period shall include an assessment (a self-assessment) of the amount in which, on the basis of the information contained in the return, the company is chargeable to corporation tax for that period.

2

Subject to subsection (3) below—

a

at any time before the end of the period of nine months beginning with the day on which a company’s return is delivered, an officer of the Board may by notice to the company so amend the company’s self-assessment as to correct any obvious errors or mistakes in the return (whether errors of principle, arithmetical mistakes or otherwise); and

b

at any time before the end of the period of twelve months beginning with the filing date, a company may by notice to an officer of the Board so amend its self-assessment as to give effect to any amendments to its return which it has notified to such an officer.

3

No amendment of a self-assessment may be made under subsection (2) above at any time during the period—

a

beginning with the day on which an officer of the Board gives notice of his intention to enquire into the return, and

b

ending with the day on which the officer’s enquiries into the return are completed.

4

In this section and section 11AB of this Act “the filing date” means the day mentioned in section 11(4) of this Act.