It is stated in Ayah 65 of Surah An-Nisa, part 5:

فَلَا وَ رَبِّكَ لَا یُؤْمِنُوْنَ حَتّٰى یُحَكِّمُوْكَ فِیْمَا شَجَرَ بَیْنَهُمْ ثُمَّ لَا یَجِدُوْا فِیْۤ اَنْفُسِهِمْ حَرَجًا مِّمَّا قَضَیْتَ وَ یُسَلِّمُوْا تَسْلِیْمًا(۶۵)

 Translation from Kanz-ul-Iman: So O dear Prophet, by oath of your Lord, they will not be Muslims until they appoint you a judge for the disputes between them - and then whatever you have decided, they should not find opposition to it within their hearts, and they must accept it wholeheartedly.

(Part 5, Surah An-Nisa, Ayah 65)

It is stated in Ayah 7 of Surah Al-Hashr, part 28:

وَ مَاۤ اٰتٰىكُمُ الرَّسُوْلُ فَخُذُوْهُۗ-وَ مَا نَهٰىكُمْ عَنْهُ فَانْتَهُوْاۚ-

Translation from Kanz-ul-Iman: And accept whatever the Noble Rasool gives you; and refrain from whatever he forbids you.

(Part 28, Surah Al-Hashr, Ayah 7)

It is stated in Ayah 36 of Surah Al-Ahzaab, part 22:

وَ مَا كَانَ لِمُؤْمِنٍ وَّ لَا مُؤْمِنَةٍ اِذَا قَضَى اللّٰهُ وَ رَسُوْلُهٗۤ اَمْرًا اَنْ یَّكُوْنَ لَهُمُ الْخِیَرَةُ مِنْ اَمْرِهِمْؕ-

Translation from Kanz-ul-Iman: And no Muslim man or woman has any right in the affair, when Allah and His Noble Rasool have decreed a command regarding it. (Part 22, Surah Al-Ahzaab, Ayah 36)

Sadr-ul-Afadil Mufti Sayyid Muhammad Na’eemuddin Muradabadi رَحْمَةُ اللهِ تَعَالٰی عَلَيْه has said that it has become obvious that obedience to the Beloved Rasool         صَلَّى اللهُ تَعَالٰى عَلَيْهِ وَاٰلِهٖ وَسَلَّم in every matter is Wajib and no one has an authority to act in