UK Act of Parliament 2010 United Kingdom

Corporation Tax Act 2010

At a glance

Enforced by

HMRC

What's here

19 compliance obligations, 19 practical guides across 2 topics · 17 journeys

Who this Act binds

Business-side actors with duties under this Act, ranked by how often they appear.

  • Trader 8
  • Any Person 7
  • Director or Officer 1

Plus 3 non-business duties on Crown ministers, regulators, local authorities or tribunals — shown collapsed under each section below.

Step-by-step journeys using this legislation

Walkthroughs that take you from a real business situation to compliance.

Relevant guidance

Practical guides for businesses affected by this Act, ordered by how closely they engage with it.

Supporting — topic alignment

1 guides

Other Acts binding the same actors

For each actor bound by this Act, the other UK Acts that bind them most often. Useful for understanding the full compliance landscape facing each role.

Traders also bound by 219 other Acts (top 5 shown)
Any Person also bound by 749 other Acts (top 5 shown)
Directors and Officers also bound by 224 other Acts (top 5 shown)

What this Act requires

Sections that create concrete duties on businesses or carry penalties. Procedural and definitional sections are folded into the “Browse other sections” expander at the bottom of each group. Click any section title to read the source text on legislation.gov.uk.

Part 1 — Introduction

No sections of this Part have been ingested yet.

Part 2 — Calculation of liability in respect of profits

Browse 8 other sections in this Part — procedural / definitional / commencement

Part 3 — Companies with small profits

Browse 3 other sections in this Part — procedural / definitional / commencement

Part 3A — Companies with small profits

Browse 5 other sections in this Part — procedural / definitional / commencement
s.018

Marginal relief for companies with ring fence profits

s.018

Association through a loan creditor

s.018

Association through a trustee

s.018

Power to obtain information

s.018

Close investment-holding companies

Part 5 — Group relief

s.174

Certain option arrangements not within section 173

Amended 2 times
Browse 15 other sections in this Part — procedural / definitional / commencement

Part 5A — Group relief for carried-forward losses

s.188

Restriction on surrendering pre-1 April 2017 losses etc

Amended 7 times
s.188

Restriction where investment business has become small or negligible

Amended 7 times
s.188

Overview of Chapter

Amended 7 times
s.188

Claims in relation to all the surrenderable amounts

Amended 7 times
s.188

Claims in relation to the surrenderable amounts that are attributable to a specified accounting period

Amended 7 times
s.188

Claim not allowed by company with unused carried-forward losses of its own

Amended 7 times
s.188

Consortium condition 3

Amended 7 times
s.188

Unused part of the surrenderable amounts

Amended 7 times
s.188

Sections 188DC and 188DE: meaning of “the overlapping period”

Amended 7 times
s.188

Condition 4: companies in link company's group

Amended 7 times
s.188

“Trading company” and “holding company”

Amended 7 times

Part 6 — Charitable donations relief

s.202

Restriction on relief for payments to community amateur sports clubs

Amended 5 times
s.202

“Inflated member-related expenditure”

Amended 5 times
Browse 6 other sections in this Part — procedural / definitional / commencement

Part 6A — Relief for expenditure on grassroots sport

s.217

Relief for expenditure on grassroots sport

Amended 4 times
s.217

Meaning of qualifying expenditure on grassroots sport

Amended 4 times
s.217

Relationship between this Part and Part 6

Amended 4 times

Part 7 — Community investment tax relief

s.220

Carry forward of CITR

Amended 2 times
Browse 7 other sections in this Part — procedural / definitional / commencement

Part 7A — Banking companies

s.269

Group allowance allocation statement: submission

  • Submit a group allowance allocation statement to HMRC Trader
Browse 7 other sections in this Part — procedural / definitional / commencement
s.269

Banking companies: supplementary definitions

s.269

Meaning of “group”

s.269

Losses arising before company began banking activity

s.269

Losses arising in company's start-up period

s.269

Meaning of “non-banking group relief”

s.269

Meaning of “relevant transferred-out gain” and “non-banking transferred-in gain”

s.269

Interpretation

Part 8 — Oil activities

s.291

Meaning of “tariff receipt”

Amended 5 times
s.291

Tariff receipts: counteraction of avoidance arrangements

Amended 5 times
s.330

Decommissioning expenditure taken into account in calculating ring fence profits

Amended 7 times
s.330

Ordering of allowances

Amended 7 times
s.349

“Additionally-developed oil field”

Amended 4 times
s.355

“Large shallow water gas field”

Amended 2 times
s.356

“Total field allowance for an additionally-developed oil field”

Amended 4 times
s.356

Companies with both field allowances and onshore allowance

Amended 4 times
s.356

Carrying forward of unactivated allowance

Amended 4 times
s.356

Transfer of allowances between sites

Amended 4 times
s.356

Unactivated amounts attributable to a reference period

Amended 4 times
s.356

Introduction to sections 356HA and 356HB

Amended 4 times
s.356

Adjustments

Amended 4 times
s.356

Other definitions

Amended 4 times
s.356

Expenditure on acquisition of asset: disqualifying conditions

Amended 4 times
s.356

Carrying forward of activated allowance

Amended 4 times
s.356

Carrying forward of unactivated allowance

Amended 4 times
s.356

Use of allowance attributable to unlicensed area

Amended 4 times
s.356

Adjustments

Amended 4 times
Browse 29 other sections in this Part — procedural / definitional / commencement
s.279

Corporation tax rates on ring fence profits

s.279

The lower limit and the upper limit

s.318

Adjustment of pool to remove pre-2013 expenditure after the initial 6 periods

s.329

Qualifying pre-commencement onshore expenditure

s.329

Additional supplement in respect of a pre-commencement accounting period

s.329

The mixed pool of qualifying pre-commencement onshore expenditure and supplement previously allowed

s.329

Reductions in respect of utilised onshore ring fence losses

s.329

Reductions in respect of unrelieved group ring fence profits

s.329

The reference amount for a post-commencement period

s.332

Restriction relating to fields qualifying for onshore allowance

s.332

Reference periods

s.332

Carry-forward of unactivated allowance from a reference period

s.332

Acquisition of allowance if equity acquired

s.332

When expenditure is incurred

Part 8A — Profits arising from the exploitation of patents etc

s.357

Election for special treatment of profits from patents etc

Amended 12 times
s.357

Rights to which this Part applies

Amended 12 times
s.357

Marketing assets return figure

Amended 12 times
s.357

Actual marketing royalty

Amended 12 times
s.357

Global streaming election

Amended 12 times
s.357

The modifications

Amended 12 times
s.357

Total gross income of a trade

Amended 12 times
s.357

Notional royalty

Amended 12 times
s.357

Mixed sources of income

Amended 12 times
s.357

Deductions that are not routine deductions

Amended 12 times
s.357

Small claims amount

Amended 12 times
s.357

Profits arising before grant of right

Amended 12 times
s.357

Alternative method of calculating relevant IP profits: “streaming”

Amended 12 times
s.357

The mandatory streaming conditions

Amended 12 times
s.357

Company ceasing to carry on trade, etc

Amended 12 times
s.357

Transfer of a trade between group members

Amended 12 times
s.357

Payments between group members in consequence of section 357EB

Amended 12 times
s.357

Treatment of income in connection with formation of CSA etc

Amended 12 times
s.357

Meaning of “group”

Amended 12 times

Part 8B — Trading profits taxable at the Northern Ireland rate

s.357

Power of Northern Ireland Assembly to set Northern Ireland rate

Amended 12 times
s.357

Availability of relief

Amended 12 times
s.357

Restriction on deductions

Amended 12 times
s.357

Availability of relief

Amended 12 times
s.357

Transfers of trade without a change of ownership

Amended 12 times
s.357

Restricted deduction: Northern Ireland rate lower than main rate

Amended 12 times
s.357

Application of 20% rule to collective investment schemes

Amended 12 times
s.357

Profit imputed to back-office activities

Amended 12 times
s.357

Deductions attributable to the NI RE for costs

Amended 12 times
s.357

Interest or other financing costs and receipts

Amended 12 times
s.357

Introductory

Amended 12 times
s.357

Rules affecting calculation of Northern Ireland profits or losses

Amended 12 times
s.357

Northern Ireland intangibles credits and debits: SMEs that are not Northern Ireland employers and large companies

Amended 12 times
s.357

Northern Ireland element: credits where roll-over relief involved

Amended 12 times
s.357

Realisation and acquisition of fungible assets

Amended 12 times
s.357

The pre-commencement status conditions

Amended 12 times
s.357

R&D expenditure credit ...

Amended 12 times
s.357

Additional deduction under section 1044 of CTA 2009

Amended 12 times
s.357

Additional deduction under section 1087 of CTA 2009

Amended 12 times
s.357

Introduction and interpretation

Amended 12 times
s.357

Expenditure credit to count towards mainstream profits or losses

Amended 12 times
s.357

Introduction and interpretation

Amended 12 times
s.357

Northern Ireland supplementary deduction: amount

Amended 12 times
s.357

Use of losses in later periods

Amended 12 times
s.357

Restriction on use of losses while programme in production

Amended 12 times
s.357

Tax credit: Northern Ireland supplementary deduction ignored

Amended 12 times
s.357

Artificially inflated claims for additional deduction

Amended 12 times
s.357

Use of losses in later periods

Amended 12 times
s.357

Northern Ireland additional deduction

Amended 12 times
s.357

Terminal losses

Amended 12 times
s.357

Relevant Northern Ireland IP profits: SMEs that are not Northern Ireland employers and large companies

Amended 12 times
s.357

Meaning of “Northern Ireland firm”

Amended 12 times
s.357

Section 357WBA: supplementary

Amended 12 times
s.357

Allocation of Northern Ireland profits etc of firm to company

Amended 12 times
s.357

Introduction

Amended 12 times
s.357

Lending and investment

Amended 12 times
s.357

Insurance: long-term business

Amended 12 times
s.357

Re-insurance activity

Amended 12 times

Part 8C — Restitution interest

s.357

Meaning of “restitution interest”

Amended 12 times
s.357

Interpretation of section 357YH

Amended 12 times
s.357

Exclusion of reliefs, set-offs etc

Amended 12 times
s.357

Relationship of Part with other corporation tax provisions

Amended 12 times

Part 9 — Leasing plant or machinery

s.377

Lessee under long funding finance leases: right-of-use leases

Amended 1 time
s.394

“Qualifying change of ownership”

Amended 4 times
s.398

Special treatment of A's trade or business that includes leasing

Amended 3 times
s.398

Restrictions on use of losses etc

Amended 3 times
s.398

Restriction on artificial losses or reductions in profits

Amended 3 times
s.437

Determining the ascribed value of plant or machinery

Amended 4 times
Browse 14 other sections in this Part — procedural / definitional / commencement

Part 10 — Close companies

s.464

Section 464ZA : supplementary

  • Amend your tax return if it becomes incorrect due to section 464ZA Any Person
Browse 5 other sections in this Part — procedural / definitional / commencement
s.464

Charge to tax: arrangements conferring benefit on participator

s.464

Section 464C: supplementary

Part 12 — Real Estate Investment Trusts

s.528

Further condition relating to shares

Amended 31 times
s.562

Breach of further condition relating to shares in accounting periods 1, 2 and 3

Amended 8 times
Browse 12 other sections in this Part — procedural / definitional / commencement

Part 13 — Other special types of company etc

Browse 10 other sections in this Part — procedural / definitional / commencement
s.661

The location condition

s.661

Periods over which management condition treated as met

s.661

The income condition

s.661

Tax treatment of gifts of money from companies

Part 14 — Change in company ownership

s.676

“Major change in the business” of a company

Amended 4 times
s.676

“Affected profits”

Amended 4 times
s.676

Restriction on deduction of post-1 April 2017 expenses of management

Amended 4 times
s.676

Introduction to Chapter

Amended 4 times
s.676

Notional split of accounting period in which change in ownership occurs

Amended 4 times
s.676

Restriction on surrender of carried-forward losses

Amended 4 times
s.676

Cases where consortium condition 1 or 2 was previously met

Amended 4 times
s.676

Meaning of “amount of profits which represents a relevant gain”

Amended 4 times
s.676

Introduction to Chapter

Amended 4 times
s.676

Restriction on use of trade losses carried-forward on transfer of trade

Amended 4 times
s.705

Restriction on debits to be brought into account

Amended 2 times
s.705

Restriction on carry forward of non-trading deficit from loan relationships

Amended 2 times
Browse 6 other sections in this Part — procedural / definitional / commencement

Part 14A — Transfer of deductions

s.730

Overview

Amended 4 times
s.730

Interpretation of Part

Amended 4 times
s.730

Disallowance of deductible amounts: profit transfers

Amended 4 times

Part 14B — Tax avoidance involving carried-forward losses

s.730

Overview

Amended 4 times

Part 15 — Transactions in securities

Browse 4 other sections in this Part — procedural / definitional / commencement

Part 16 — Factoring of income etc

Browse 3 other sections in this Part — procedural / definitional / commencement
s.779

Relevant amount to be treated as income

Part 17A — Manufactured dividends

Browse 3 other sections in this Part — procedural / definitional / commencement
s.814

Overview of Part

s.814

Treatment of payer of manufactured dividend

s.814

Treatment of recipient of manufactured dividend

Part 18 — Transactions in land

Browse 1 other section in this Part — procedural / definitional / commencement

Part 20 — Tax avoidance involving leasing plant or machinery

Browse 1 other section in this Part — procedural / definitional / commencement

Part 21A — Risk transfer schemes

Browse 4 other sections in this Part — procedural / definitional / commencement
s.937

Group schemes and single company schemes

s.937

Scheme losses and scheme profits

s.937

Meaning of “associated with”

s.937

Meaning of “scheme”

Part 21B — Group mismatch schemes

Browse 4 other sections in this Part — procedural / definitional / commencement
s.938

Meaning of “scheme loss” and “scheme profit”

s.938

Meaning of “group”

s.938

Controlled foreign companies

s.938

Priority

Part 21C — Tainted charity donations

Browse 1 other section in this Part — procedural / definitional / commencement
s.939

Overview of Part

Part 23 — Company distributions

s.1032

Payment in respect of tier two capital

Amended 1 time
s.1045

Advance clearance: supplementary

Other duties (1) — Crown / regulator
  • HMRC must decide on tax clearance applications within 30 days Statutory regulator
Browse 21 other sections in this Part — procedural / definitional / commencement

Part 25 — Definitions for purposes of Act and final provisions

Browse 4 other sections in this Part — procedural / definitional / commencement

Other sections — not classified into a Part

These sections exist in the Act but the contents-of-Parts walker did not place them under a Part. Likely amendments or sections inserted out of the original Part structure.

s.269

Group allowance allocation statement: submission

  • Submit a group allowance allocation statement to HMRC Trader
s.356

“Associated person”

Amended 4 times
s.356

“Lease”

Amended 4 times
s.356

Restriction on debits to be brought into account

Amended 4 times
s.356

Restriction on credits to be brought into account

Amended 4 times
s.356

Profits and losses

Amended 4 times
s.356

Fragmented activities

Amended 4 times
s.356

Relevance of transactions, arrangements, etc

Amended 4 times
Browse 8 other unclassified sections
s.269

Overview of Part

s.269

“Relevant trading profits” , “total relevant non-trading profits” etc

s.269

“Qualifying latent claims”

s.269

Group allowance nomination: former groups

s.269

Meaning of “relevant reversal credit”

s.269

Deductions allowance for company without a source of chargeable income

s.269

Meaning of “group”

s.938

Meaning of “scheme”

Official guidance

Authoritative sources published by regulators or government explaining this legislation.

Enforcement and responsible bodies

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HM Revenue & Customs

Tax collection, customs duties, national insurance, tax credits, and enforcement of the National Minimum Wage. Regulates all UK businesses for tax compliance …

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