VCM25040 | EIS: taper relief for serial investments: period when no shares held: Taper relief does not apply to gains accruing or treated as accruing after 5 April 2008
From HM Revenue & Customs · Venture Capital Schemes Manual
TCGA92/SCH5BA/PARA4
If there was a gap between the disposal of the shares in the first company and the acquisition of the shares in the second company, the qualifying holding period does not include the gap.