Al-Kāfi - Volume 6 > The Free, Cleared and Severed Woman
Hadith #2

عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ خَالِدٍ وَ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ جَمِيعاً عَنْ عُثْمَانَ بْنِ عِيسَى عَنْ سَمَاعَةَ قَالَ سَأَلْتُهُ عَنْ رَجُلٍ قَالَ لِامْرَأَتِهِ أَنْتِ مِنِّي بَائِنٌ وَ أَنْتِ مِنِّي خَلِيَّةٌ وَ أَنْتِ مِنِّي بَرِيئَةٌ قَالَ لَيْسَ بِشَيْ‏ءٍ .

2. A number of our people have narrated from Ahmad ibn Muhammad from ibn Khalid and Ali ibn Ibrahim has narrated from his father all from ‘Uthman ibn ‘Isa from Sama‘ah who has said the following: “I once asked him (the Imam), ‘Alayhi al-Salam, about the case of a man who says to his wife, ‘You from my side are free and cleared.’ He (the Imam) said, ‘It does not have any valid effect.’”