I saw some discussion on this the other day and it also seemed confused. They were referring on the Senate's likely refusal to seat Roy Moore, but he didn't get elected. (The Senate)
As far as the House is concerned, I don't know if the same situation exists, and it may be found in the Constitution. I gathered they were saying that the current outgoing House could refuse to seat incoming Congress-elects if there was evidence of massive voter fraud.
I hope it's true, I hope they do, and I have no doubt there was.
Our own Maine CD2 GOP rep had his seat stolen.
Thousands of #GiletsJaunes protesters gather in #Paris in front of the headquarters of BFM TV, the country's most-watched news network
They are protesting BFM TV for spreading fake news about the protest movement in order to save #Macron
People are tired of #FakeNews worldwide pic.twitter.com/r0vNoBJK1K— BasedPoland (@BasedPoland) December 29, 2018
I think the dems are threatening to not seat NC Rep Mark Harris.
Steny Hoyer leads the throng
IIRC, the discussion started out with the House Rep from N. Carolina that the Dems will refuse to seat.
It also included discussion regarding the Senate, where Pubbies will have a super majority before the new Senate is seated. This was based on some speculation regarding various scenarios none of which is likely.
Excerpt and link below regarding N. Carolina Rep:
House Democrats will refuse to seat North Carolina Republican candidate Mark Harris on Jan. 3 as state election authorities investigate election fraud claims surrounding his race, incoming House Majority Leader Steny Hoyer (D-Md.) said Friday.