§1. Unless it is established otherwise, the local ordinary whose permission or approval to publish books must be sought according to the canons of this title is the proper local ordinary of the author or the ordinary of the place where the books are published.
§2. Those things established regarding books in the canons of this title must be applied to any writings whatsoever which are destined for public distribution, unless it is otherwise evident.
Source: Code of Canon Law (Vatican.va)