The Papua New Guinea Supreme Court is to rule on Tuesday whether Parliament must let a motion for a vote of no-confidence in Prime Minister Peter O'Neill go ahead.
The Post Courier reports the motion had been submitted by the opposition leader Don Polye on June 7th.
But the permanent parliamentary committee did not entertain it and Parliament was adjourned the following day.
Mr Polye then sought a Supreme Court ruling that Parliament be recalled before July 25th.
After that date no confidence motions are not allowed because it would be just 12 months before the next scheduled election.