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Use supplementary pages CT600C (2006) Version 2 if you are claiming or surrendering relief under group or consortium or unrelieved foreign tax provisions.
Use supplementary pages CT600D (2006) Version 2 if your company has been involved in Overseas Life Assurance Business (OLAB).
Use supplementary pages CT600J (2011) Version 2 if you are a party to any notifiable arrangements under S308, 309, 310 Finance Act 2004 (FA 2004).
Use supplementary pages CT600F (2006) Version 2 if your company operates ships and is a party to a Tonnage Tax election.
Use supplementary pages CT600H (2006) Version 2 if a UK company made cross-border royalty payments after 1 October 2002.
Use supplementary pages CT600I (2012) Version 2 if your company carried on a ring fence trade for any period beginning on (or deemed to have begun on) 17 April 2002.
Use CT600 Budget Insert (2007) for an overview of the main Budget 2007 changes affecting Corporation Tax.
Use Collective Investment Schemes form CISC8 to apply for approval as an investment trust for accounting periods commencing 1 January 2012 or later.
Use form CISC5 for advance clearance if an Authorised Investment Fund meets the genuine diversity of ownership condition.
Use Collective Investment Schemes form CISC7 for an Authorised Investment Fund (AIF) to give notice of entry into the Property Authorised Investment Funds (PAIF) regime.
Use form R105 (AIF4) to declare that some or all of an interest distribution made to or received under a trust is income of the trustees.
Use form AAG2 if you use a notifiable arrangement but the offshore promoter has not told HMRC about the avoidance scheme.
Use form AAG5 if you need more room to report a tax avoidance scheme to HM Revenue and Customs (HMRC).
Use form DASVOIT4 if you're a scheme user to tell HMRC the VAT, or other indirect tax avoidance scheme reference numbers.
Use form VAT65B to repay your overclaimed VAT if your business is registered in the EU and not in the UK.
Use this form to make a special return on restricted profits for an Alternative Investment Fund Managers (AIFM) partnership that uses the AIFM mechanism.
Use form C1201A TAPS if you need to tell HMRC about an amendment to a payment guarantee for the Excise Payment Security System (C1201TAPS).
Use form DASVOIT5 if you're a scheme promoter to tell your client the scheme reference number.
Use this Serbian language claim form to request a Republic of Serbia cross border VAT refund.
Use form EUSD (SWT)1 to apply for a tax certificate from HM Revenue and Customs to prevent withholding tax being deducted from savings.
Do not include personal or financial information like your National Insurance number or credit card details.
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