Template:CC0Notice
Explanation: The following template contains the notice that a document is copyright-free (CC0). This notice is usually found in the properties of all .odt and .pdf files and is in the footer of every worksheet:
For translators: {{{1}}}
will be replaced by the version number. If in your language the version number would come before the word "version", change the order.
Example (for administrators):
{{Translatable template|CC0Notice|2.0}}
This document is copyright-free. You may use, copy or adapt it without restrictions (CC0). Version {{{1}}}