The main opposition CPN-UML boycotted the meeting of the Business Advisory Committee on Sunday.
Speaker Agni Prasad Sapkota called the meeting for 1 pm today to discuss the Millennium Challenge Corporation (MCC).
The UML has been saying that it would not allow the House to proceed with its business until the Speaker takes action against 14 lawmakers expelled by the party.
UML Chief Whip Bishal Bhattarai said that they would not attend the meeting until their demands are met.
The government is preparing to table the MCC in the Parliament meeting today.