(1) Where in relation to an accounting period a specified person is within the charge to corporation tax and has borne appropriate tax referable to that accounting period, the specified person may, subject to section 529, claim to have the amount of appropriate tax specified in subsection (4) set against corporation tax chargeable for that accounting period and, where such appropriate tax exceeds such corporation tax, to have the excess refunded to the specified person.

(2) Where in relation to a year of assessment a specified person is within the charge to income tax and has borne appropriate tax referable to the basis period for that year of assessment, the specified person may, subject to section 529, claim to have the amount of appropriate tax specified in subsection (4) set against the income tax chargeable for the year of assessment and, where such appropriate tax exceeds such income tax, to have the excess refunded to the specified person.

(3) The specified person shall, where requested by the Revenue Commissioners, furnish the following in respect of each amount of appropriate tax included in a claim under subsection (1) or (2) -