/fɔrs/ – preposition
Definition: do vẫn còn hiệu lực đến ..
A more thorough explanation: “As in force on” refers to the legal status or validity of a law, regulation, or provision at a specific point in time. It indicates that the law or regulation is currently in effect or applicable on a particular date or period.
Example: The contract is binding and in force on the date of signing by both parties.