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Get help if you're a tax agent who has clients with end of year forms P11D and P11D(b).
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.
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.
Find recognised software suppliers that provide internet filing enabled software for Excise Movement and Control System (EMCS).
This factsheet gives information about checks by Campaigns and Projects.
Use the P11D Working Sheets (2023 to 2024) to help develop payroll software if you're a PAYE software developer.
Find the schema and supporting documents for software developers, or agents, acting on behalf of merchant acquirers who send returns to HMRC.
Find the alcohol and tobacco warehouse declaration (ATWD) technical specifications for software developers.
Check the availability and any issues affecting Annual Tax on Enveloped Dwellings (ATED) online service.
This factsheet provides information about checks relating to Excise Duty.
Find out how to use your Aggregates Levy account, what records you must keep and how long to keep them.
Information about the loan charge on disguised remuneration schemes which came into force on 5 April 2019.
Find out about the independent General Anti-Abuse Rule (GAAR) Advisory Panel opinion on a tax avoidance arrangement that rewarded a director through a remuneration trust.
Find out about tax avoidance schemes that use remuneration trusts to reduce profits and disguise income.
If you're an energy producer, supplier or customer, check what records and accounts to keep to help you complete returns and claim any reliefs or exemptions.
An overview of the High Risk Corporates Programme.
Why you should settle your tax affairs sooner rather than later, what could happen if you don’t and how to contact HMRC for help.
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.
Use this calculator to work out how to redeem the value of your expenditure credits and how much payable credit you can claim.
How to get urgent authorisation to speak to HMRC about someone else's tax credits if you are an intermediary organisation.
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