Divorce (Kitab Al-Talaq)
Dawud :: Book 12 : Hadith 2185
Narrated Abdullah ibn Amr ibn al-'As:
The Prophet (peace_be_upon_him) said: There is no divorce except in what you possess; there is no possession, there is no sale transaction till you possess. The narrator Ibn as-Sabbah added: There is no fulfilling a vow till you possess.