The counting will stop on Dec 8th:
The Electoral College
Search domain www.ncsl.org/research/elections-and-campaigns/the-electoral-college.aspxhttps://www.ncsl.org/research/elections-and-campaigns/the-electoral-college.aspx
Dec. 8, 2020: Deadline for Resolving Election Disputes. All state recounts and court contests over presidential election results must be completed by this date. Dec. 14, 2020: Meeting of the Electors. The electors meet in each state and cast their ballots for president and vice president. Each elector votes on his or her own ballot and signs it.