ETASSUM34070 | Schedule 3 SAYE option schemes: Linkage to Savings (Arrangement): The Schedule 3 SAYE contract
From HM Revenue & Customs · Employee Tax Advantaged Share Scheme User Manual
Certified SAYE savings arrangements are operated by a number of financial institutions including a number of major building societies and banks (see ETASSUM34030).
Under these SAYE savings arrangements, individuals to whom share options have been granted under a Schedule 3 SAYE option scheme may enter into savings contracts under which they contract to make either 36 or 60 monthly contributions.
36 monthly contributions (under the three year savings contract), or
60 monthly contributions (under the five year savings contract).