Footer of site should say, "Except where otherwise noted, content of this site is licensed under the following license: Creative Commons Attribution-ShareAlike 4.0 International License", with that last part linking to the license itself. See footer on Door43.org for an example.
Footer of site should say, "Except where otherwise noted, content of this site is licensed under the following license: Creative Commons Attribution-ShareAlike 4.0 International License", with that last part linking to the license itself. See footer on Door43.org for an example.
Upon registering users must agree to the above license, something like point 3 on https://door43.org/en/dev?do=register.