Use supplementary pages CT600A (2015) Version 3 for accounting periods starting on or after 1 April 2015.
PDF, 325KB, 3 pages
Use these supplementary pages if a company is close (a close company is a company controlled by 5 or fewer participants) and made a loan which has not been repaid within the period.
Please check if you are required to submit this form online before downloading and sending it in the post.
Find out more about who must submit an online Company Tax return
Corporation Tax: Company Tax Return (CT600 (2017) Version 3)
Use form CT600 (2017) version 3 to file a Company Tax Return for accounting periods starting on or after 1 April 2015.
Corporation Tax: Company Tax Return guide (CT600 Guide (2017) Version 3)
Use the CT600 Guide (2017) Version 3 to help you complete form CT600 (2017) Company Tax Return.
Corporation Tax: Budget changes (CT600 Budget Insert)
Use CT600 Budget Insert for an overview of the main Budget changes affecting Corporation Tax.
7 April 2015
HM Revenue & Customs
Corporation Tax forms
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