Paragraph 45
No discovery assessment for an accounting period for which the company has delivered a company tax return, or discovery determination, may be made if—
the situation mentioned in paragraph 41(1) or (2) is attributable to a mistake in the return as to the basis on which the company’s liability ought to have been computed, and
the return was in fact made on the basis or in accordance with the practice generally prevailing at the time when it was made.
Notes on Schedule 18
Modifications
- C1
Sch. 18 restricted (31.7.1998) by 1988 c. 1, s. 754B(10) (as inserted (31.7.1998 with effect as mentioned in Sch. 17 para. 37 of 1998 c. 36) by 1998 c. 36, s. 113, Sch. 17 para. 11)
- C2
Sch. 18 modified (18.4.2005) by Commissioners for Revenue and Customs Act 2005 (c. 11), s. 53(1), Sch. 4 para. 68(c); S.I. 2005/1126, art. 2(2)(h)
- C3
Sch. 18 applied (20.7.2005) by Finance (No. 2) Act 2005 (c. 22), s. 61
- C4
Sch. 18 applied (with modifications) (6.4.2006) by The Registered Pension Schemes (Accounting and Assessment) Regulations 2005 (S.I. 2005/3454), regs. 1, 13
- C5
Sch. 18 excluded (17.7.2013) by Finance Act 2013 (c. 29), s. 210(6)(b)
- C6
Sch. 18: power to amend conferred (12.2.2019) by Finance Act 2019 (c. 1), s. 87(5)(a)(6)
- C7
Sch. 18 applied (with modifications) (22.7.2020) by Finance Act 2020 (c. 14), Sch. 16 para. 11(4) (with Sch. 16 para. 11(5))
- C8
Sch. 18 applied (with modifications) (11.7.2023) by Finance (No. 2) Act 2023 (c. 30), s. 303(7)(8) (with s. 303(6))
Notes on Part V
Modifications
- C1
Sch. 18 applied (20.7.2005) by Finance (No. 2) Act 2005 (c. 22), s. 61