OTTAWA - Prime Minister Justin Trudeau has apologized for his role in this week's parliamentary pandemonium, but a committee of allies and foes alike will decide whether he should face sanctions.

However, one expert says the Liberal majority on the all-party committee of procedure and House affairs means it's unlikely Trudeau will face any punishment.

The committee will examine the issue when MPs return to Ottawa after next week's holiday break.

Conservatives and New Democrats say the committee could recommend any number of measures, including suspension or calling the prime minister to the bar of the House of Commons to apologize yet again.

They could also ask Trudeau to testify about his version of events, but have no power to compel him to do so.

Trudeau has said he is prepared to accept the decision of the committee and respect the will of the Commons, but retired House of Commons law clerk Rob Walsh says the most likely result will be a recommendation that everyone accept his apology and move on.