acter

Acter is business and administrative jargon meaning to formally record or make official — acter une décision means to put a decision on the record so it's binding, not simply to note it down informally.

• La direction a acté la fusion des deux services. — Management formally recorded the merger of the two departments.
• Ce compromis doit être acté par écrit. — This compromise needs to be formally recorded in writing.
• Le conseil a acté le changement de statuts. — The board formally recorded the change of bylaws.

This corporate/administrative use of acter is relatively recent and still considered informal jargon by purists, who prefer entériner or officialiser in careful writing.