"They've given a speech on the cartoon character Polkaroo. Imagine your a small business owner and you turn on the television to find out what the finance committee is doing to save your business, and you see a Liberal MP giving an extensive speech on the cartoon character Polkaroo."
The motion, sponsored by Conservative MP Michael Barrett, would have required Speakers' Spotlight to disclose corporate sponsorships and contractors' fees paid to the Trudeau family.
The Bloc Quebecois has already announced that they will vote in favour of establishing an anticorruption committee, while NDP Leader Jagmeet Singh is yet to make a final decision on the matter.
The revelation comes as opposition parties seek to continue the investigation into the WE scandal, a process which has been hindered by Liberal Party obstruction.
"It's time for Liberal MPs to end the PMO-directed filibuster, to vote on the motions, to let the truth come to light, and to release the documents," said Barrett.