
The signatures were submitted to Senate Speaker Nikom Wairatpanich to back the impeachment process against the MPs who voted for the final reading of the controversial amnesty bill.
Nikom said he would assign officials to check the documents.
The names verifying process could take longer than a month because the officials could record only about 1,500 names a day.
The recorded names would be later verified by registration office and the officials would have to check whether those who support the motion have exercised their voting right in the latest election.
The Nation