مناسك حج - مكارم شيرازى، ناصر - الصفحة ٢٣٠ - Umrah al -Mufradah
new Mecca, even Ihram can be worn from places that today has been advance to Mena, but it is obligatory precaution not to wear Ihram from places of the city of Mecca which are farther than Masjid al- Taneem( and are out of the zone of Haram )but the best place is Masjid al- Haraam.
٢٠- Staff of caravans and organizations of Hajj and all persons who have performed their obligatory Hajj and performing all ritual of Hajj is hard for them can make the intention of Umrah al- Mufradah from the beginning and complete that and come out of Ihram, and after that they are free for going to Arafat and Mash'ar and Mena( without the intention )or staying in Mecca and performing their tasks.
٢١- Performing prayer with Ahl- e- Sonnat and attending their congregations in the days Hajj and like that is from affirmed Mustahab acts and causes the rows of Muslims to be strengthen against enemies and it has been so much affirmed about this matter in the cabbalas of Masoomin( infallibles ). And this prayer deserves to be sufficed as obligatory prayer and it is not necessary to perform that again and it has no problem to follow them in the matters of time and like that and about prostration, Shiites should perform prostration on the stones of the floor of them