Русско-англо-русский юридический словарь

SUSPENSIVE CONDITION (Roman, civil, & Scots law): a condition depending upon an uncertain event which must be fulfilled before an obligation arises (merriam-webster.com/dictionary/)

Among the typcal conditions that must be met before an employee can exercise the option that has been granted to him, it is frequently required that the employee continues to work for the employer during a certain period of time. To the extent that such a condition must be met before the option becomes exercisable, that condition has, in many countries, the legal nature of a condition precedent (common law) or suspensive condition (civil law). The option is not considered to have vestee before such a condition has been met. (Model Tax Convention on Income and on Capital 2010 By OECD)

Commencement of Services. The commencement of the provision of the Services by SW shall begin on or after the Go Live Date and be conditional on the fulfilment of the following suspensive conditions: (LawInsider)

A contract or contractual obligation can be made to depend upon the occurrence of a future uncertain event, so that it takes effect only if the event occurs. Under the Principles this is a suspensive condition. In some jurisdictions it is known as "condition precedent". (UNIDROIT PRINCIPLES 2010)