(1) باب وَقْتِ الطَّلاَقِ لِلْعِدَّةِ الَّتِي أَمَرَ اللَّهُ عَزَّ وَجَلَّ أَنْ تُطَلَّقَ لَهَا النِّسَاءُ
It was narrated from Ibn 'Abbas, concerning the saying of Allah, the Mighty and Sublime:
"O Prophet! When you divorce women, divorce them at their 'Iddah (prescribed periods)." Ibn 'Abbas, may Allah be pleased with him, said: "Before their 'Iddah elapses." (IT)
Reference (IT): Sunan an-Nasa'i 3393 (IT)
In-book reference (IT): Book 27, Hadith 5 (IT)
English translation (IT): Vol. 4, Book 27, Hadith 3422 (IT)