What does it mean for a law to come into force?

When a law comes into force, it means that it has transitioned from being a proposed piece of legislation to an enforceable rule that can have legal consequences. In this context, the phrase "to become effective" captures the essence of a law's implementation, indicating that the regulations outlined in the law are now applicable and must be adhered to by the relevant parties.

The other choices relate to different stages of the legislative process. Ratification refers to the formal approval of a law, usually in a specific manner defined by a governing body. Debating involves discussions and arguments made by lawmakers regarding the merits or drawbacks of a proposed law before it is passed. Revision refers to making changes or amendments to a law prior to it becoming enforceable. In contrast, the phrase "to become effective" directly addresses the moment a law is active and applicable.