VCM54240 | VCT: VCT approval: issue of shares or securities: apportioning value
From HM Revenue & Customs · Venture Capital Schemes Manual
SI2661/2002 Regulation 11
Where the value of the new shares or securities issued to the VCT needs to be apportioned, it must be done as follows.
Firstly, by having regard to the historic value of the old shares and securities,
Otherwise using any method which is just and reasonable, and
This same method will be used if any company A shares are retained in the circumstances described in VCM54220.