CG12707 - Capital Gains Manual - HMRC internal manual
This manual is to help people compute chargeable gains (and allowable losses) for both capital gains tax and corporation tax purposes or check computations. It supplements the basic guidance in the tax return and Help Sheets. It is written primarily for HMRC staff but it will also assist customers and their professional advisers. Customers filling in tax returns may not need to use the Capital Gains Manual at all. You can get basic information on how to compute chargeable gains (and allowable losses) from the Capital Gains pages of the tax return and the related Help Sheets. The "Published Dat...
Source: gov.uk