Hearing/Completing a financial case at night: Rosh HaShanah 25b; Megillah 20b-21a
How Many Judges Are Needed
General Issues
Source for use of 3 judges on a standard court: Sanhedrin 3b-4b
What if 2 judges handled a case which needed 3: Sanhedrin 2b, 3a, 5b, 6a
What if 1 judges handled a case which needed 3: Sanhedrin 3a; 4b-5a
3 judges for a financial case: Rosh haShanah 25b, Sanhedrin 2a, 3a-b, 5b, 6a-b
2 judges for a financial case: Ketuvot 22a, Bava Metzia 32a
1 judge for a financial case: Rosh haShanah 25b
In validating a bill: Ketuvot 21b
In debt cases: Sanhedrin 2b
Legal status of the judges outside of the courtroom: Rosh HaShanah 30a
The Verdict
What if there is a 2-0 decision, with one abstention: Sanhedrin 5b
What happens if a party flees following the verdict, and then returns to a court: Makkot 7a [2x]
A party who fled following a verdict outside Israel, to Israel: Makkot 7a