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Send HMRC any changes to partnership details for a business registered for Climate Change Levy on form CCL2A.
If your business is a trust and you're registering for Climate Change Levy, use the online service or postal form CCL2TB to give details of the beneficiaries.
Use the online service or postal form CCL2T to give details of your trustees, if you're registering for Climate Change Levy and your business is a trust.
Use supplementary pages CT600F (2025) version 3 if your company operates ships and is a party to a Tonnage Tax election.
Use form CT600 (Short) (2007) Version 2 to file your return if you are a small business, club or company with straightforward tax affairs.
Tell HMRC if your company is chargeable to Corporation Tax on restitution interest.
Use supplementary pages CT600D (2015) version 3 if your company has been involved in Overseas Life Assurance Business.
Use supplementary pages CT600C (2006) Version 2 if you are claiming or surrendering relief under group or consortium or unrelieved foreign tax provisions.
Use this page if your company claims enhanced structures and buildings allowances or enhanced capital allowances for plant and machinery, for qualifying expenditure relating to a Freeport or Investment Zone tax site.
Use supplementary pages if you're party to any notifiable arrangements under S308, 309, 310 Finance Act 2004 (FA 2004).
Use supplementary pages CT600G (2006) Version 2 if your company is claiming relief under the Corporate Venturing Scheme (CVS).
Register with HMRC as a lottery promoter using form BD601.
Use the online service or postal form HO55 to claim a partial repayment of the rebated excise duty on oil used as fuel to produce energy for the treatment or production of mineral oil.
Use form R105 (AIF2) to declare you hold shares as a personal representative of a deceased person, who solely owned the investment and was not a resident in the UK.
Use form VAT436 to tell HMRC you're buying a sailaway boat in the UK to export to non-EU countries and are using the Sailaway Boat Scheme.
Use form CVS1 to give details of a Corporate Venturing Scheme to ensure the scheme is compliant with the law.
Use form C945T to request authority to load alcohol and tobacco products for use as stores, free of duty, on a train.
Use form SLS-SM1 to apply for a new syndicate to use the Syndicated Loan Scheme.
Use form CCL15 if you're an energy or fuel supplier and want to pay Climate Change Levy by Direct Debit.
Declare VAT due to be paid and submitted to the Deferment Office if you're a trader, using form VAT908.
Don’t include personal or financial information like your National Insurance number or credit card details.
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