Wiktionary
vb. To become valid or active (of a law, regulation etc.).
Usage examples of "come into force".
The police knew this as well as anybody, and since the new Gaming Act had come into force and betting was easier to conduct legally, a camaraderie had been built up between the police and the bookmakers as individuals, as well as through their main association.
Daylight saving time had recently come into force, lengthening the tepid Southern California twilights far into prime time, and as usual for May, it was blazingly hot, a pretend-summer that got everyone in Los Angeles scrambling for shorts and tank tops, heading for the beaches and forgettingas people invariably forgotthat it would turn cold and misty again in a matter of days and stay that way till the Fourth of July.
Daylight saving time had recently come into force, lengthening the tepid Southern California twilights far into prime time, and as usual for May, it was blazingly hot, a pretend-summer that got ev.