We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Find out the rules HMRC must follow when giving serial tax avoidance warning notices to a corporate group, associated persons or members of a partnership.
This factsheet tells you about the penalties HMRC may charge if you do not submit your Economic Crime Levy on time, pay the correct amount of levy or if we find something wrong during a compliance check.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment Online service.
If you enter a warning notice period for serial tax avoidance, you may have to pay a penalty, have tax reliefs restricted, or be named by HMRC as a tax avoider.
This factsheet provides information about the use of third party information notices for promoters of tax avoidance schemes (POTAS).
Get guidance from HMRC if you're a tax agent or an adviser.
This factsheet is about penalties we may charge if your scheme does not meet the requirements for tax advantaged status.
Draft technical guidance covering changes to anti-avoidance regimes, published in Finance (No2) Bill 2021 which will strengthen the sanctions against those who promote or enable tax avoidance schemes.
A bi-monthly magazine for employers and agents that gives up-to-date information on payroll topics.
Find HMRC payroll test data for software developers.
Tax avoidance schemes that HM Revenue and Customs believe to be live and widely available, to help those using them to avoid tax.
Check the availability and any issues affecting the send your loan charge details service.
Get help if you’re a tax agent or adviser who has clients with company losses to declare on Company Tax Returns.
Look up an error code if you enter wrong information into the CHIEF database system if you’re an importer or exporter.
When and how HMRC raises assessments, applies penalties and charges interest.
This factsheet tells you about the information notices we may give under the promoter of tax avoidance schemes (POTAS) rules.
Find out about information notices HMRC may give when checking if you have to pay a penalty for facilitating avoidance schemes involving non-resident promoters.
Find out about follower notices and accelerated payments for users of avoidance schemes for Income Tax and National Insurance contributions through PAYE.
Partnership returns technical specifications for Self Assessment Online software developers.
Do not include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).