The waiting period before the finalization of a divorce divorce 65:2-3
65:2 When they have reached their term, either keep them honorably or part from them honorably. Call two honest men among you to witness and give your witnessing before Allah. Whoever believes in Allah and the Last Day is warned to do this. Whosoever fears Allah, He will appoint for him a way out,
65:3 and provide for him from where he does not expect, Allah is Sufficient for whosoever puts his trust in Him. Indeed, Allah brings about whatever He decrees. Allah has set a measure for all things.