67. Nikāḥ (Wedlock / Marriage)
٦٧۔ كتاب النكاح
The Prophet ﷺ said, "A woman should not fast (optional fasts) except with her husband's permission if he is at home (staying with her).
عَنِ النَّبِيِّ ﷺ لاَ تَصُومُ الْمَرْأَةُ وَبَعْلُهَا شَاهِدٌ إِلاَّ بِإِذْنِهِ