The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
The following shall not be protected by copyright:
regulatory enactments and administrative rulings, other documents issued by the State and Local Governments and adjudications of courts (laws, court judgements, decisions and other official documents), as well as official translations of such texts and official consolidated versions;
State approved, as well as internationally recognised official symbols and signs (flags, Coats of Arms, anthems, and awards), the use of which is subject to specific regulatory enactments;
maps, the preparation and use of which are determined by regulatory enactments;
information provided in the press, radio or television broadcasts or other information media concerning news of the day and various facts and events;
ideas, methods, processes and mathematical concepts.