Editing Andrew Scheer (section)

===Post-leadership===
On September 8, 2020, Scheer was announced as the Opposition Critic for Infrastructure & Communities in his successor [[Erin O'Toole]]'s shadow cabinet.<ref>{{cite web|url=https://www.cbc.ca/news/politics/otoole-critics-1.5715390|title=Scheer finds place among Conservatives' new Opposition critics|date=8 September 2020|access-date=8 September 2020}}</ref> In that role, he sponsored private member Bill C-269 to amend the Fisheries Act to prohibit the deposit of raw sewage in water frequented by fish.<ref>{{cite web|url=https://parl.ca/DocumentViewer/en/43-2/bill/C-269/first-reading|title=Bill C-269 An Act to amend the Fisheries Act (prohibition — deposit of raw sewage) |date=18 February 2021|access-date=22 June 2021 |publisher=Parliament of Canada}}</ref><ref>{{cite web|url=https://esemag.com/wastewater/new-bill-revert-law-charge-for-raw-sewage-dumps/|title=New bill aims to revert law and charge communities for raw sewage dumps|date=23 May 2021|access-date=22 June 2021 |publisher=Environmental Science & Engineering Magazine}}</ref>

On February 2, 2022, Scheer posed for a picture posted on [[Saskatoon—Grasswood]] MP [[Kevin Waugh]]'s Twitter page<ref>{{cite web
 | last          = Waugh
 | first         = Kevin
 | title         = A few of our SK Caucus members went to show our appreciation for the hardworking, patriotic truckers who have kept our supply chains healthy & grocery shelves stocked for the past two years. It's great to see Canadians championing freedom on Parliament Hill.
 | url           = https://twitter.com/KevinWaugh_CPC/status/1489038906951671811?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1489054300785500163%7Ctwgr%5E%7Ctwcon%5Es3_&ref_url=https%3A%2F%2Fwww.cbc.ca%2Fnews%2Fcanada%2Fsaskatoon%2Fmayor-of-ottawa-demands-apology-after-sask-conservative-mps-senator-take-picture-at-convoy-protest-1.6337951
 | publisher     = [[Twitter]]
 | date          = 2022-02-02
 | access-date   = 2022-06-03
}}</ref> along with Waugh, [[Battlefords-Lloydminster]] MP [[Rosemarie Falk]], [[Moose Jaw-Lake Centre-Lanigan]] MP [[Fraser Tolmie]], [[Regina-Lewvan]] MP [[Warren Steinley]] and [[Senate of Canada|Sen]]. [[Denise Batters]] standing with the [[Flag of Saskatchewan|Saskatchewan flag]] at the [[Freedom Convoy 2022]].<ref name="protest">{{cite web|title=Mayor of Ottawa demands apology after Sask. Conservative MPs, senator take picture at convoy protest|year=2022|publisher=CBC|url=https://www.cbc.ca/news/canada/saskatoon/mayor-of-ottawa-demands-apology-after-sask-conservative-mps-senator-take-picture-at-convoy-protest-1.6337951|access-date=February 8, 2022}}</ref> The mayor of [[Ottawa]], [[Jim Watson (Canadian politician)|Jim Watson]], demanded an apology, as he felt the protesters actions are not welcomed and that "MPs and senator in the picture should know better."<ref name="protest" />

He endorsed [[Pierre Poilievre]]'s campaign to be leader of the Conservative Party in the [[2022 Conservative Party of Canada leadership election|2022 Conservative leadership election]]. On September 13, 2022, Poilievre, as leader of the Conservative Party, appointed Scheer to become [[Opposition House Leader]].

On May 6, 2025, Scheer became leader of the opposition for a second time after Poilievre lost his seat of [[Carleton (Ontario federal electoral district)|Carleton]] following the [[2025 Canadian federal election|2025 election]], as the leader of the opposition must be an incumbent MP.<ref>{{cite web |last=Ritchie |first=Sarah |date=2025-05-06 |title=Conservatives choose Andrew Scheer as interim Opposition leader |url=https://www.cbc.ca/news/politics/poilievre-conservative-caucus-meeting-1.7527562 |access-date=2025-05-07 |work=[[Canadian Broadcasting Corporation|CBC]]}}</ref> He is expected to relinquish the position should Poilievre return to Parliament by winning a by-election in [[Battle River—Crowfoot]].<ref>{{Cite web |last=Major |first=Darren |date=2025-05-07 |title=Scheer doesn't seem keen to move into Stornoway, but says talks are 'ongoing' |url=https://www.cbc.ca/news/politics/andrew-scheer-pierre-poilievre-stornoway-talks-official-opposition-1.7529175 |website=CBC}}</ref>