promulgation

(noun) a public statement containing information about an event that has happened or is going to happen. Synonyms: announcement. Examples: "The announcement appeared in the local newspaper." "The promulgation was written in english."

(noun) the official announcement of a new law or ordinance whereby the law or ordinance is put into effect.

(noun) the formal act of proclaiming; giving public notice. Synonyms: proclamation. Example: "His promulgation of the policy proved to be premature."