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This factsheet gives information about the penalties HMRC may charge if your return is more than 12 months late.
Check the availability and any issues affecting the Confirm an applicant has done a tax check service.
Check the availability and any issues affecting the Employers PAYE payment plan service.
Get help if you’re a tax agent or adviser who has clients with Capital Gains Tax for shares to declare on Self Assessment tax returns.
Guidance for software developers on how to produce an IRmark for Gateway Protocol services.
Get help if you’re a tax agent or adviser who has clients with private and personal expenditure to declare on Self Assessment tax returns.
Check the availability and any issues affecting the payrolling benefits and expenses online service.
SDLT5 substitute technical specifications for Stamp Tax Online software developers.
Find out about tax reliefs and financial support available from HMRC.
Information about the loan charge on disguised remuneration schemes which came into force on 5 April 2019.
Find information on tax avoidance arrangements seeking to avoid Corporation Tax, Income Tax and National Insurance contributions by using unfunded pension arrangements.
You were able to get a payment deferral or deregister if you were a business with an annual fee due between 1 May and 30 September 2020.
How to make sure you take reasonable care if you need to send tax returns and other documents to HMRC, and what happens if you do not.
Find out how to create a CSV file to submit your declaration, what file layout to use and how to resolve problems with file upload failures.
Get guidance from HMRC if you're a tax agent or an adviser
Find out what information and documents you need to give HMRC if you get a financial institution notice.
This factsheet tells you about old Self Assessment penalty rules and when they apply.
Remits of the Tax Disputes Resolution Board and the Customer Compliance Group Disputes Resolution Board.
Find out about the Excise Movement Control System (EMCS) specifications for software developers.
Check the availability and any issues affecting the E-PAYE for agents online service.
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