بُلُوغُ الْمَرَامِ
Bulugh al-Maram 870
Business Transactions
وَعَنْ عَمْرِو بْنِ شُعَيْبٍ, عَنْ أَبِيهِ, عَنْ جَدِّهِ; أَنَّ رَسُولَ اَللَّهِ - صلى الله عليه وسلم -قَالَ: { لَا يَجُوزُ لِاِمْرَأَةٍ عَطِيَّةٌ إِلَّا بِإِذْنِ زَوْجِهَا }
Narrated 'Amr bin Shu'aib on his father'ss authority from his grandfather (RA): Allah's Messenger (ﷺ) said: "It is not permissible to give a gift without her husband's permission."
Sunnah.com reference: Book 7, Hadith 112