SolvedETASSUM35310 | Schedule 3 SAYE option schemes: Requirements relating to share options: Exercise rights: General
From HM Revenue & Customs · Employee Tax Advantaged Share Scheme User Manual
In addition to the paragraph 29 requirement that options shall not be transferable paragraphs 30 – 34 set out the circumstances where option-holders must be able to exercise their options. Paragraphs 36 & 37 set out the circumstances where schemes may provide for exercise.