We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Use form PRT60B to claim research expenditure incurred before 16 March 1983, if you're a participator in an oil field.
Use form PRT30 to make an expenditure claim as a responsible person.
Use form PRT60A to claim exploration and appraisal expenditure incurred before 16 March 1983, if you're a participator in an oil field.
Use form PRT80 to transfer an oil field from one participator to another for Petroleum Revenue Tax (PRT).
Use form FB17F to manually release transhipment or inter-airport removals which cannot be input to CCS-UK.
Use form FB17A to manually release a transfer manifest or removal authority which cannot be input to CCS-UK.
Use form FB19 to manually release inter-shed removals which cannot be input to CCS-UK.
Use form PRT65 to elect the participator in the receiving field for a cross-field allowance election.
Use form FB20 to manually record a schedule of import entries.
Use supplementary pages CT600B (2012) Version 2 if your company held an interest of 25% or more in a foreign company controlled from the UK and for reporting bank levy.
Use form CT600 (Short) (2007) Version 2 to file your return if you are a small business, club or company with straightforward tax affairs.
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 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 form CT101 if you need to provide a return of stock dividends under Section 1052 of the Coropration Tax Act 2010.
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 the Collective Investment Schemes form CISC6 to apply for entry into the Tax Elected Fund (TEF) regime if you're an Authorised Investment Fund (AIF).
Do not include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).