SCHEDULES
C1C2C3C5C6C7C8C9 SCHEDULE 18 Company tax returns, assessments and related matters
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)
Sch. 18 applied (20.7.2005) by Finance (No. 2) Act 2005 (c. 22), s. 61
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
Sch. 18 excluded (17.7.2013) by Finance Act 2013 (c. 29), s. 210(6)(b)
Sch. 18: power to amend conferred (12.2.2019) by Finance Act 2019 (c. 1), s. 87(5)(a)(6)
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))
Sch. 18 applied (with modifications) (11.7.2023) by Finance (No. 2) Act 2023 (c. 30), s. 303(7)(8) (with s. 303(6))
C3Part V Revenue determinations and assessments
Assessment where loss of tax discovered or determination of amount discovered to be incorrect
41
1
If F1an officer of Revenue and CustomsF2discovers as regards an accounting period of a company that—
a
an amount which ought to have been assessed to tax has not been assessed, or
b
an assessment to tax is or has become insufficient, or
c
relief has been given which is or has become excessive,
C42
If F1an officer of Revenue and CustomsF2discovers that a company tax return delivered by a company for an accounting period incorrectly states—
a
an amount that affects, or may affect, the tax payable by that company for another accounting period, or
b
an amount that affects, or may affect, the tax liability of another company,
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)