Al-Kāfi - Volume 4 > Taqsir (Trimming something from One’s Hair or Nails After Completing Sa‘y) of One Who Is for al-Hajj al-Tamattu‘ (advantageous) and Coming Out of the State of Ihram
Hadith #4

4ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ جَمِيلِ بْنِ دَرَّاجٍ وَحَفْصِ بْنِ الْبَخْتَرِيِّ وَغَيْرِهِمَا عَنْ أَبِي عَبْدِ الله (عَلَيْهِ السَّلاَم) فِي مُحْرِمٍ يُقَصِّرُ مِنْ بَعْضٍ وَلا يُقَصِّرُ مِنْ بَعْضٍ قَالَ يُجْزِئُهُ.

4. Ali ibn Ibrahim has narrated from his father from ibn abu ‘Umayr from Jamil ibn Darraj and Flafs ibn al-Bakhtariy and other than these two who has said the following: “About a man who performs Taqsir (cutting some hair or finger nails and so on) of certain parts but not of other parts, he (the Imam) said, ‘It is sufficient for him.”