"Copyright permissions" refers to the legal rights given to the creator or owner of an original work, such as a book, song, or artwork, to control how others can use, copy, distribute, or adapt their work. Full definition
You may require copyright permissions for use of the content in your book. (copyrightlaws.com)
They may need copyright permission from the owners of any identifiable works of art included and may need model releases from identifiable people included. (law.stackexchange.com)
I had to use Freedom of Information requests and obtain copyright permissions to publish photos to reveal and prove my points. (authorhouse.net)