- Enforced by
- CMA, Ofgem, Trading Standards, Insolvency Service, Takeover Panel, GCA, Ofwat, WICS, UREGNI, PSR
- Status
- Amended (in force with amendments)
- Penalty ceiling
- Imprisonment 7 of 72 obligations carry an unlimited fine. 6 carry different penalties and 59 have no criminal penalty — flagged in the list below.
Does it bind you?
Business-side roles with duties under this instrument.
Plus 54 duties on the regulator, Crown ministers and public bodies — folded into the section list below.
Other Acts binding the same actors
If a role above is yours, these are the other instruments that most often bind it.
Any Person — also bound by 2340 other Acts
Director or Officer — also bound by 429 other Acts
What it requires
Sections creating concrete business duties or carrying penalties, grouped as the instrument is structured. Titles link to the source text — blue means you’re leaving for legislation.gov.uk.
General functions of the CMA
1 of 12 sections shownOther duties (1) — Crown / regulator
- CMA must gather and review information to perform its functionsStatutory regulator
11 other sections in this Part — procedural and definitional
The Competition Appeal Tribunal
0 of 10 sections shown10 other sections in this Part — procedural and definitional
Mergers
68 of 162 sections shownOther duties (1) — Crown / regulator
- CMA must investigate mergers that may significantly reduce competitionStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate if a merger harms competitionStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate and remedy competition concerns in anticipated mergersStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate and publish reports on merger referencesStatutory regulator
Other duties (1) — Crown / regulator
- CMA must remedy anti-competitive effects of mergersStatutory regulator
Other duties (1) — Crown / regulator
- CMA must take merger remedy action within 12 weeks of publishing reportStatutory regulator
Other duties (1) — Crown / regulator
- CMA must decide if mergers harm competition or the public interestStatutory regulator
Other duties (1) — Crown / regulator
- CMA must cancel merger investigations if the deal is abandonedStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate and report on merger or market referencesStatutory regulator
Other duties (1) — Crown / regulator
- CMA must cancel or limit public interest investigations if criteria are not metStatutory regulator
Other duties (1) — Crown / regulator
- CMA and OFCOM must inform Secretary of State of public interest mergersStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate and report on referred special merger situationsStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate and report on public interest merger referencesStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate energy network mergers that may harm competitionStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate certain planned energy network mergersStatutory regulator
Other duties (1) — Crown / regulator
- Ofgem must publish its methods for assessing energy network mergersStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate water company mergers above turnover thresholdsStatutory regulator
Other duties (1) — Crown / regulator
- CMA must keep to statutory deadlines when deciding on merger undertakingsStatutory regulator
Other duties (1) — Crown / regulator
- Enforcement orders must state required actions, dates, penalties and review routeStatutory regulator
Other duties (1) — Crown / regulator
- CMA must maintain a public register of enforcement undertakings and ordersStatutory regulator
Other duties (1) — Crown / regulator
- CMA must monitor and review enforcement undertakings and ordersStatutory regulator
- Comply with enforcement undertakings and ordersAny Person
- Fail to comply with enforcement undertaking or orderAny Person
Other duties (1) — Crown / regulator
- CMA must publish policy on enforcement and penaltiesStatutory regulator
- Liability for losses caused by breaching merger or market restrictionsAny Person
- Comply with transferred EU merger commitmentsAny Person
Other duties (1) — Crown / regulator
- CMA must notify affected parties of merger notices and can reject false infoStatutory regulator
Other duties (1) — Crown / regulator
- Secretary of State must decide on merger references as soon as possibleCrown / Minister / Government department
Other duties (1) — Crown / regulator
- CMA must consult the public regarding media mergersStatutory regulator
amended 11 times
Other duties (1) — Crown / regulator
- CMA must publish guidance on merger references and customer benefitsStatutory regulator
amended 15 times
amended 15 times
Other duties (1) — Crown / regulator
- CMA may require evidence, documents, or information for investigationsStatutory regulator
Unlimited fine · amended 110 times (opens in a new tab)
amended 110 times
amended 110 times
amended 67 times
amended 67 times
- Failure to pay regulatory penaltiesAny Person
Unlimited fine · amended 62 times (opens in a new tab)
Other duties (1) — Crown / regulator
- CMA must publish and consult on its penalty and enforcement policyStatutory regulator
- Intentionally destroy or alter documents required by a competition investigationAny Person
2 years imprisonment · amended 64 times
- Provide false or misleading information to regulatorsAny Person
Unlimited fine · amended 59 times (opens in a new tab)
amended 5 times
Other duties (1) — Crown / regulator
- CMA must monitor media markets for public interest merger concernsStatutory regulator
amended 5 times
- Personal liability for directors and officers for corporate offencesDirector or Officer
Unlimited fine · amended 9 times (opens in a new tab)
94 other sections in this Part — procedural and definitional
Market Studies and Market Investigations
86 of 86 sections shownamended 28 times
amended 8 times
amended 8 times
amended 8 times
amended 10 times
Other duties (1) — Crown / regulator
- CMA must investigate competition and propose remedies for market issuesStatutory regulator
Other duties (1) — Crown / regulator
- CMA must take action to fix competition problems identified in reportsStatutory regulator
amended 3 times
amended 3 times
amended 17 times
amended 17 times
Other duties (1) — Crown / regulator
- CMA must investigate competition and remedies in public interest casesStatutory regulator
Other duties (1) — Crown / regulator
- CMA must investigate competition and public interest on Secretary of State referralStatutory regulator
amended 7 times
amended 7 times
Other duties (1) — Crown / regulator
- CMA must investigate and report on public interest merger referencesStatutory regulator
Other duties (1) — Crown / regulator
- CMA must publish market investigation reports in specific casesStatutory regulator
Other duties (1) — Crown / regulator
- CMA must publish reports on public interest merger investigationsStatutory regulator
amended 8 times
Other duties (1) — Crown / regulator
- CMA must pause or stop market investigations involving new public interestsStatutory regulator
Other duties (1) — Crown / regulator
- Secretary of State must decide on public interest in market investigationsCrown / Minister / Government department
amended 2 times
amended 4 times
amended 7 times
Other duties (1) — Crown / regulator
- CMA must notify Secretary of State of public interest considerationsStatutory regulator
amended 2 times
Other duties (1) — Crown / regulator
- CMA must published reasons if accepting undertakings instead of a full reportStatutory regulator
Other duties (1) — Crown / regulator
- CMA or Secretary of State must explain consequences before accepting undertakingsStatutory regulator
amended 12 times
amended 12 times
amended 12 times
Other duties (1) — Crown / regulator
- Regulators must publish notices before starting implementation trialsStatutory regulator
amended 12 times
Other duties (1) — Crown / regulator
- Relevant authorities must explain consequences before accepting undertakingsStatutory regulator
amended 12 times
Other duties (1) — Crown / regulator
- CMA must monitor and review enforcement undertakings and ordersStatutory regulator
Other duties (1) — Crown / regulator
- CMA must monitor and review the effectiveness of enforcement measuresStatutory regulator
amended 20 times
amended 20 times
Other duties (1) — Crown / regulator
- Regulator must state key terms in enforcement ordersStatutory regulator
Other duties (1) — Crown / regulator
- CMA must maintain a public register of enforcement undertakings and ordersStatutory regulator
- Comply with CMA enforcement undertakings and ordersAny Person
- Breach of merger or market competition undertakings or ordersAny Person
Unlimited fine · amended 13 times
amended 13 times
Other duties (1) — Crown / regulator
- CMA must publish policy on enforcement and penaltiesStatutory regulator
amended 13 times
Other duties (1) — Crown / regulator
- CMA must share information and assistance with the Secretary of StateStatutory regulator
Other duties (1) — Crown / regulator
- CMA must publish advice on market investigation referencesStatutory regulator
- Provide evidence and information for CMA market investigationsAny Person
2 years imprisonment · amended 10 times (opens in a new tab)
amended 10 times
amended 10 times
amended 10 times
amended 10 times
amended 10 times
amended 10 times
The Competition Commission
3 of 3 sections shownCartel offence
18 of 18 sections shown- Engage in cartel arrangements (price-fixing, market-sharing, bid-rigging)Any Person
- Participate in a business cartelAny Person
5 years imprisonment · amended 4 times (opens in a new tab)
amended 4 times
amended 4 times
Other duties (1) — Crown / regulator
- CMA must publish guidance on cartel offence prosecutionsStatutory regulator
amended 3 times
- Fail to comply with a CMA or regulator information requestAny Person
5 years imprisonment · amended 2 times (opens in a new tab)
Miscellaneous Competition Provisions
7 of 7 sections shownEnforcement of certain consumer legislation
44 of 44 sections shownamended 4 times
amended 4 times
amended 4 times
amended 4 times
amended 4 times
amended 11 times
amended 11 times
amended 11 times
amended 3 times
amended 2 times
amended 2 times
amended 2 times
amended 2 times
amended 2 times
amended 2 times
amended 3 times
amended 3 times
Information
19 of 19 sections shownamended 2 times
amended 7 times
amended 7 times
amended 7 times
amended 7 times
amended 7 times
amended 7 times
Other duties (1) — Crown / regulator
- Public authorities must protect sensitive business information from disclosureStatutory regulator
- Unauthorised disclosure or use of restricted informationAny Person
- Unlawful disclosure or misuse of protected informationAny Person
Unlimited fine · amended 2 times (opens in a new tab)
amended 1 time
Insolvency
25 of 25 sections shownSupplementary
6 of 9 sections shown3 other sections in this Part — procedural and definitional
Schedules
2 of 439 shownOther duties (1) — Crown / regulator
- Tribunal must protect sensitive business information in its decisionsTribunal / Court
- Act as receiver or manager while bankrupt or subject to bankruptcy restrictions orderAny Person
- Acting as a company director or manager while bankruptAny Person
Unlimited fine
437 other schedules
Help complying
Guvnor’s practical routes through this instrument.
Respond to a Trading Standards investigation
What to do if Trading Standards has contacted you, visited your premises, or conducted a test purchase. Covers understanding their powers, identifying …
Start selling online - retail compliance
A learning path for retailers adding an online sales channel. Covers the additional compliance obligations for distance selling, including cooling-off periods, website …
Competition law compliance for UK businesses
How to comply with UK competition law and avoid breaches of the Competition Act 1998. Covers the Chapter I and Chapter II …
3 more guides that reference this instrument
Duty extraction and severity labels are Guvnor’s analysis of the instrument, not the instrument itself. Always verify against the linked source text.