A motion to exclude Arlene Foster as First Minister has passed the required number of signatures, the SDLP said.
Arlene Foster opening the DUPs new office in Sandy Row says "it's been a tough old week" https://t.co/XwDLzXMWEm
The party said 30 MLAs from across the SDLP, UUP, Alliance Party, Green Party, People Before Profit and TUV had backed the motion, meaning it has passed the threshold.
An SDLP statement said: "The Speaker has now confirmed to SDLP chief whip Alex Attwood MLA that he will summon members to a meeting of the Assembly on Monday 19 December to debate the Ministerial Exclusion Motion."
A meeting of the Assembly Business Committee will take place at 4.30pm on Friday to agree further details.
SDLP no confidence motion now has 33 signatures.30 required. Business ctte due to meet at 4.30 to decide if it goes ahead on Monday.
An inquiry into the botched Renewable Heat Incentive (RHI) scheme will not be completed within the six-month time frame, its chairman says.
Companies on the botched Renewable Heat Incentive scheme can be publicly named by a Stormont Department, a judge has ruled.
The Attorney General is considering mounting a challenge to the legality of the entire Renewable Heat Incentive scheme, he has revealed.