Ibn 'Abbas commanded the performance of Mut'a putting ihram for 'Umra during the months of Dhul-Hijja and after completing it. then putting on Ihram for Hajj), but Ibn Zubair forbade to do it. I made a mention of it to Jabir b. Abdullih and he said: It is through me that this hadith has been circulated. We entered into the state of Ihram as Tamattu' with the Messenger of Allah ﷺ. When 'Umar was Installed as Caliph, he said: Verily Allah made permissible for His Messenger ﷺ whatever He liked and as Re liked. And (every command) of the Holy Qur'an has been revealed for every occasion. So accomplish Hajj and Umra for Allah as Allah has commanded you; and confirm by (proper conditions) the marriage of those women (with whom you have performed Mut'a). And any person would come to me with a marriage of appointed duration (Mut'a), I would stone him (to death).  

عَلَى يَدَىَّ دَارَ الْحَدِيثُ تَمَتَّعْنَا مَعَ رَسُولِ اللَّهِ ﷺ فَلَمَّا قَامَ عُمَرُ قَالَ إِنَّ اللَّهَ كَانَ يُحِلُّ لِرَسُولِهِ مَا شَاءَ بِمَا شَاءَ وَإِنَّ الْقُرْآنَ قَدْ نَزَلَ مَنَازِلَهُ فَأَتِمُّوا الْحَجَّ وَالْعُمْرَةَ لِلَّهِ كَمَا أَمَرَكُمُ اللَّهُ وَأَبِتُّوا نِكَاحَ هَذِهِ النِّسَاءِ فَلَنْ أُوتَى بِرَجُلٍ نَكَحَ امْرَأَةً إِلَى أَجَلٍ إِلاَّ رَجَمْتُهُ بِالْحِجَارَةِ  

(That 'Umar also said): Separate your Hajj from 'Umra, for that is the most complete Hajj, and complete your Umra.  

وَقَالَ فِي الْحَدِيثِ فَافْصِلُوا حَجَّكُمْ مِنْ عُمْرَتِكُمْ فَإِنَّهُ أَتَمُّ لِحَجِّكُمْ وَأَتَمُّ لِعُمْرَتِكُمْ  

We came with the Messenger of Allah (May peace be upon him) pronouncing Talbiya for Hajj, and the Messenger of Allah (May peace be upon him) commanded us to make (our Ihram) into that of Umra.  

قَدِمْنَا مَعَ رَسُولِ اللَّهِ ﷺ وَنَحْنُ نَقُولُ لَبَّيْكَ بِالْحَجِّ فَأَمَرَنَا رَسُولُ اللَّهِ ﷺ أَنْ نَجْعَلَهَا عُمْرَةً