Imprimatur
Imprimatur , noun
[Latin, let it be printed.]
1.
(Law) A license to print or publish a book, paper, etc.; also, in countries subjected to the censorship of the press, approval of that which is published.
2.
(Roman Catholic Church) Permission granted from a designated ecclesiastical authority to publish a book or other document; -- required by church law for Catholics, especially ecclesiastics, who wish to publish.
3.
Official approval for some proposed activity; as, a contract this large needs the imprimatur of the legal department.