The pilgrim performing Qiran should not exit Ihram except when the pilgrims performing Ifrad exit Ihram
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 " .
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."