Collective Agreement Act Article 29
When a collective agreement is concluded in the form of a specific period of accomplishing a certain work assignment, if the assignment cannot be finished within three years, it shall be deemed as a collective agreement which is concluded with a three-year duration.
中文原文 團體協約法第29條
團體協約以完成一定工作為期限者，其工作於三年內尚未完成時，視為以三年為期限簽訂之團體協約。