Who checks the signatures?
Palau
Answer
Agency responsible for the administration of direct democracy mechanisms
Source
Palau National Code Annotated Title 23 Chapter 20 deals withpetitions to amend the Constitution: sections 2004 and 2005 appear to requirethe Election Commission to verify the authenticity of all signatures.
http://www.oecd.org/site/adboecdanti-corruptioninitiative/46816871.pdf