The pilgrim performing Qiran should not exit Ihram except when the pilgrims performing Ifrad exit Ihram Sahih Muslim 1229 d

Arabic hadith text
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو أُسَامَةَ، حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ حَفْصَةَ، - رضى الله عنها - قَالَتْ يَا رَسُولَ اللَّهِ ‏.‏ بِمِثْلِ حَدِيثِ مَالِكٍ ‏"‏ فَلاَ أَحِلُّ حَتَّى أَنْحَرَ ‏"
Translation
Hafsa (Allah be pleased with her) said

Messenger of Allah; the rest of the hadith is the same and (the concluding words of the Holy Prophet):" I won't put off Ihram until I have sacrificed the animal."