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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.
Find out how the legislation in clause 65 and schedule 16 Finance (No. 2) Act 2017 affects enablers of tax avoidance.
How to complete supplementary pages CT600I and what information you need to include.
How to complete supplementary pages CT600M and what information you need to include.
Use this calculator to work out how to redeem the value of your expenditure credits and how much payable credit you can claim.
Find out when to use the zero rate of VAT when supplying machine tools that stay in the UK but are used to manufacture goods for export.
Real Time Information (RTI) Rules and Interface Management (RIM) artefacts and supporting technical specifications for software developers.
Check the availability and any issues affecting this service.
Use this template or the technical note to create your own template to tell HMRC of registered tax advantaged Share Incentive Plan shares.
Use this technical documentation for trust and estate returns if you’re a software developer working with the Self Assessment online service.
Tax treaties and related documents between the UK and Senegal.
Check the availability and any issues affecting the pay Alcohol Duty online service.
OFSI report of penalty for a breach of financial sanctions – payments to designated persons.
Use this form to confirm any changes you need to make to PAYE tax codes following the Budget.
Find out when HMRC may consider a scheme administrator to be a fit and proper person.
Newsletter 172, published by HMRC in August 2025 to update stakeholders on the latest news for pension schemes.
Newsletter 174, published by HMRC in October 2025 to update stakeholders on the latest news for pension schemes.
Newsletter 175, published by HMRC in November 2025 to update stakeholders on the latest news for pension schemes.
Use this pre-approved legal document to transfer employer’s National Insurance liability to a single employee.
Do not include personal or financial information like your National Insurance number or credit card details.
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