Al-Kāfi - Volume 5 > The Time for Compulsory Head Scarf
Hadith #1

1- عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ وَعَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ جَمِيعاً عَنِ ابْنِ أَبِي نَجْرَانَ عَنْ عَاصِمِ بْنِ حُمَيْدٍ عَنْ مُحَمَّدِ بْنِ مُسْلِمٍ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ السَّلام) قَالَ لا يَصْلُحُ لِلْجَارِيَةِ إِذَا حَاضَتْ إِلا أَنْ تَخْتَمِرَ إِلا أَنْ لا تَجِدَهُ.

1. A number of our people have narrated from Sahl ibn Ziyad and Ali ibn Ibrahim has narrated from his father from all from ibn abu Najran from ‘Asem ibn Hamid from Muhammad ibn Muslim who has said the following: “Abu Ja‘far, ‘Alayhi al-Salam, has said, ‘It is not proper for a girl who experiences Hayd (menses) not to use a veil except if she does not experience it.’”