Praise be to Allah.
It is not obligatory for the one who has bid farewell to exit through the gate mentioned, Bab al-Wadaa’; and it is not obligatory for the one who is coming to enter through Bab al-Salaam.
And Allah is the source of strength. May Allaah send blessings and peace upon our Prophet Muhammad and his family and companions. End quote.
Shaykh ‘Abd al-‘Azeez ibn ‘Abd-Allaah ibn Baaz, Shaykh ‘Abd al-Razzaaq al-‘Afeefi, Shaykh ‘Abd-Allaah ibn Qa’ood
Fataawa al-Lajnah al-Daa’imah,11/299
See also question no. 34869