A Canadian Liberal MP was caught wearing his birthday suit in the country's virtual House of Commons.

William Amos appeared on the screens of his fellow members of Parliament completely naked yesterday.

A screenshot shows him standing behind a desk between the Quebec and Canadian flags, with his private parts hidden by what appears to be a mobile phone in one hand.

"This was an unfortunate error," Amos said in a statement.

"My video was accidentally turned on as I was changing into my work clothes after going for a jog. I sincerely apologise to my colleagues in the House of Commons for this unintentional distraction. Obviously, it was an honest mistake and it won't happen again."

MP Claude DeBellefeuille, a legislator for the opposition Bloc Quebecois party, the party whip, spoke about the incident in Parliament.

"It may be necessary to remind the members, especially the male ones, that a tie and jacket are obligatory, but so are a shirt, boxer shorts or pants," she said.

"We have seen that the member is in great physical shape, but I think members should be reminded to be careful and control the camera well."

Speaker Anthony Rota later thanked DeBellefeuille for her "observations" and clarified that while he had not seen anything, he checked with technicians and confirmed they saw something. He reminded lawmakers to always be vigilant when they are near a camera and microphone.

Amos, the parliamentary secretary to Industry Minister Francois-Philippe Champagne, was visible only to Parliament members and staffers on an internal video conference feed. Because he was not speaking, his image did not show up on the public feed.

Liberal Party colleague Mark Holland said Amos was "utterly mortified." Holland said he was satisfied with the explanation from his colleague.

"I don't think there was any ill intent. It's certainly an unfortunate circumstance," Holland said.

"This is a warning to everybody," Holland added. "You've got to really always assume that camera is on and be very careful any time you wander anywhere near that camera that you're dressed appropriately."

Asked if he will be issuing a warning to all Liberal lawmakers to that effect, Holland said: ``Oh, big time."

with text by news.com.au