SolvedETASSUM35330 | Schedule 3 SAYE share option schemes: Requirements relating to share options: Exercise rights: No exercise more than 6 months after bonus date
From HM Revenue & Customs · Employee Tax Advantaged Share Scheme User Manual
Paragraph 30(1)(b) requires that an option must not be capable of exercise more than 6 months after the bonus date other than in the circumstances of the option-holders death (see ETASSUM35340).