date of coming into force
date of entering into force

UK emergency regulations are usually temporary in nature - lasting no more than one year after the date of coming into force.

In parentheses, the abbreviation, if applicable, membership if not stated before, and the date of coming into force are to be seen.

It appears that British secondary legislation follows a similar practice, whereby the date of coming into force of a statutory instrument is stated at the beginning, just after the title.

Parties to the Geneva Act of the Universal Copyright Convention as of 2000-01-01: the dates given in the document are dates of ratification, not dates of coming into force.

Catalogue of TSIs The TSIs now in place for the High Speed and for the Conventional rail systems, with their dates of coming into force in the UK.

A statute ends with housekeeping provisions, which are sections covering the details of the statute, such as the date of coming into force and the right of officials who administer the statute to make regulations under the statute.