Copyright protection exists automatically for creative works in the EU and under international treaties; no formal registration is required. Works are protected in their country of origin and other signatory countries must protect the works of citizens from other signatory countries as if they were a local. International copyright law provides minimum protections through various treaties and conventions such as the Berne Convention. Authorship and copyright ownership can differ, and moral rights protect the author's honor and integrity separately from economic rights held by the copyright owner. Exceptions to copyright protections vary by country but generally allow limited use of portions of works for purposes like commentary if the source is credited.