Русско-англо-русский юридический словарь

This Agreement shall remain in force for an indefinite period of time but may be terminated by either Government upon giving notice in writing, through the diplomatic channel to the other Government, not less than six months before the end of any calendar year. (Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Denmark on the Reciprocal Holding of Stocks of Crude Oil and/or Petroleum Products )

In English law, the term of a contract is its duration: the amount of time that the contract will remain in force. It’s referred to simply as “the term of the contract”. (hallellis.co.uk)

This treaty shall remain in force until Dec. 31, 2012, and may be extended by agreement of the parties or superseded earlier by a subsequent agreement. (The New York Times)

Regulations that have been passed under the Coronavirus Act will also lose legal force on 27 May but some will be re-enacted as independent regulations (two are already in the process of being re-enacted) and will as such remain in force. (European Observatory on Health Systems and Policies)