The Liberal governmentreached a tentative agreementwith the NDP and the Bloc Qubcois about the conditions under which Parliament could reconvene this week but the Conservatives' rejection of thatdeal could lead to MPsreturning to the Commons on Monday.

"One sitting each week is unacceptable, even if it is eventually supplemented by a virtual sitting for a handful of additional MPs," Conservative Leader Andrew Scheer said during a news conference on Sunday. "Physical distancing means staying two metres apart, not staying away from Parliament."

The Official Opposition's insistence on meeting in the House of Commons three times a weekmeans negotiations between federal parties remain up in the air on the eve ofApril 20 thedateMPs were intendedto reconvene when Parliament adjourned five weeks ago.

The Liberal Party told its staff Sunday that if no deal is reached between all four parties before late Monday morning, the party will attend theHouse sittingin reduced numbersand with minimal staff present.

That scenario would see the NDP and the Bloc each sending three MPs to the House. B.C. MP Paul Manly would attend on behalf of the Greens.

Scheer said the Conservatives are sending the same number of MPs as the last emergency sitting. The Liberals told CBC News they would do the same.

Scheer is scheduled to speak about Parliament's returnat 10:15 a.m. ET on Monday.

Earlier Sunday, Liberal House Leader Pablo Rodriguez shared on Twitter details of theagreement struck with the NDP and the Bloc, which includes a combination of in-person and virtual sittings each week.

"Under the agreement, the House of Commons will hold one day of in-person meetings per week, with a small group of MPsin the chamber. As well, there will be additional virtual sessions with a small number of MPs from across the country," the statement reads.

Rodriguez said the proposal will give MPs the same amount of time toquestion ministers and the prime minister as they would normally have under regular parliamentary circumstances.

During his Sunday COVID-19 briefing earlier in the day, Prime Minister Justin Trudeau criticizedthe Conservatives for their repeated calls to convene in the Commons' chamber.

"I'm looking forward to taking questions from opposition parties, but it has to be done in a responsible way and right now, the Conservatives are not taking a responsible approach," Trudeau said.

Late Saturday, CBC News learned that the Trudeau government had offered to compress five days of question period into two days a week.

The arrangement would have involvedvirtual sittings every Tuesday, with MPs across the country taking part in the equivalent of two question periods. On Wednesdays, a smaller number of MPs and the prime minister would sit in the House of Commons and face the equivalent of three question periods.

In contrast, the tentative deal between the Liberals, NDP and Blocstarts with a proposal for asingle in-person sitting beginning this Wednesday.

By next week, one session would be held virtually on Tuesday, followed by a sitting in the chamber on Wednesday.

The following week and all subsequent weeks would see MPs meeting virtually on Tuesdays and Thursdays and in-person on Wednesdays, for a total of three sessions per week.

The arrangement is similar to the NDP's initial recommendation, which called for the House to meet in-person once a week on top of two virtual sessions that would involve hearing from a larger contingent of MPs.

"I think the reality is the more we are meeting in person, the more that increasesthe risk. That's why the NDP proposal, I think, makes a lot of sense," said NDP House Leader Peter Julian.

Trudeau said during his morning remarksthat convening all 338 MPsand their staff in the House of Commons would amount to an "irresponsible" move due to public health guidance urging Canadians to practisephysical distancing.

Scheer fired back at the prime minister for suggesting that any parties were advocating for afull roster of MPs to return to the Commons on Monday.

"That is completely false, and it's disingenuous to try to put that forward before Canadians as if that was a real scenario," Scheer said.

The outgoing leader also said that his proposal which includes two hours per session to question ministers is in line with theprotocols legislators followed during the government's last two emergency sittings.

"Thirty-twoMPs attended representing all parties," Scheer said. "This allowed us to follow public health advice and still carry out our duties."

While the Green Party of Canada does not hold recognized party status, former leader Elizabeth May saidshesupports sitting in the Commons only if there is a compelling reason to do so, such as passing legislation.

Commenting on Scheer's insistence thatvirtual sittings do not allow for proper parliamentary scrutiny and oversight, May said she believes remote platforms do just fine when it comes to holding politicians to account.

"We've already seen standing committees meet by Zoom," May said in an interview with CBC News. "I've seen [Conservative MP] Pierre Poilievre go at Bill Morneau. It wasn't any different in quality than question period. His opportunities were exactly the same."

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Conservatives reject Liberals' tentative agreement with NDP, Bloc on Parliament's return - CBC.ca