MANILA, Philippines?(UPDATE) Speaker Prospero Nograles said Thursday that pushing Charter change is not part of his mandate, amid reports he may face ouster if he fails to make this happen.

?I got elected overwhelmingly by the House to lead. I was not elected to push Cha-cha [Charter change]. That was never a precondition or a campaign promise. And I'm trying to do a good job the best way I know how,? Nograles said in a text message.

For his part, Parañaque Representative Roilo Golez doubted a draft resolution filed by Camarines Sur Representative Luis Villafuerte that seeks to convene Congress into a constitutional assembly would lead to Charter change.

"A camel has a better chance passing through the eye of a needle than this resolution resulting in Charter change," Golez said in a text message.

He explained that the resolution would have to go through debates at the committee-level and then the plenary.

It can also be expected to be challenged before the Supreme Court.

Earlier, Villafuerte said he was not proposing any specific change to the Constitution but only wanted to provoke a justiciable controversy so that the issue of a constituent assembly could be settled by the Supreme Court.

Nograles? predecessor, Pangasinan Representative Jose de Venecia Jr., claimed Pampanga Representative Juan Miguel Arroyo, son of the President, had offered to return him as Speaker if he agrees to push the Villafuerte resolution.

Arroyo denied making such an offer and said it was De Venecia who volunteered his services.

Nograles replaced De Venecia after the latter had a falling out with President Gloria Macapagal Arroyo when his son, Jose III, went public with allegations of corruption in the scuttled $329-million national broadband network deal with China?s ZTE Corp.