Ibn ‘Abbas said that God’s messenger commanded his companions to substitute sacrificial animals at the ’umra of Fulfilment (‘Umra al-qada' The one performed in the year after the treaty made at al-Hudaibiya) for those they had sacrificed in the year of al-Hudaibiya.
‘A’isha said that God’s messenger went in to visit Duba'a daughter of az-Zubair and said to her, “Perhaps you intended to perform the pilgrimage ?” She replied, “I swear by God that I am suffering from pain,” so he said, “Perform the pilgrimage, but make a proviso saying, ‘O God, the place where I take off the ihram will be where Thou restrainest me’.”
Al-Hajjaj b. ‘Amr al-Ansari reported God’s messenger as saying, “If anyone breaks a leg or becomes lame he has come out of the sacred state and must perform the pilgrimage the following year.”
Tirmidhi, Abu Dawud, Nasa’i, Ibn Majah and Darimi transmitted it, and Abu Dawud added in another version “or becomes ill.” Tirmidhi said this is a hasan tradition, but in al-Masabih it is called weak.
Is the sunna of God’s messenger not enough for you ? If any of you is detained from the pilgrimage he should perform the circumambulation of the House and go between as-Safa, and al-Marwa, then come right out of the sacred state and perform the pilgrimage the following year. He should sacrifice an animal, or fast if he cannot get any.
