SolvedETASSUM43260 | Schedule 4 Company Share Option Plan (CSOP): Shares to be used: fully paid-up and not redeemable
From HM Revenue & Customs · Employee Tax Advantaged Share Scheme User Manual
The purpose of paragraph 18 is to ensure that the shares that employees receive through Schedule 4 CSOP schemes are:
fully paid-up (paragraph 18(a)) - see ETASSUM43270, and
not redeemable (paragraph 18(b)) – see ETASSUM43280.