A recall can be initiated by a petition of at least 25% of the registered voters in the local government unit (LGU) concerned.
[6] In May 1999, a preparatory recall assembly chaired by Association of Barangay Captains chief Richard Advincula voted a resolution citing a loss of confidence in Claudio.
"[6] Trinidad was supported by vice mayor Greg Alcera, most members of the Pasay City Council, and adherents of the Iglesia ni Cristo.
Santos was supported by the barangay captains who formed the preparatory recall assembly against Claudio.
Claudio banked on his supporters that made him mayor in 1998, while Marcelo said that God is on his side.
[6] The Commission on Elections refused to put the city under its control, with its chairwoman Harriet Demetriou saying that "there is no prevailing peace and order problem.
[9] Initial results showed Trinidad and Santos in a tight race, with Claudio a poor third.
The commission received a report of vote padding when 54 people allegedly resided in a four-door apartment.