The prayer (1), and it was narrated from him: twelve (2).

And it was narrated from Sa'id ibn al-Musayyib that he said: If one stays (in a place) for four (nights), he prays four (i.e., in full) (3), and Qatadah and 'Ata' al-Khurasani narrated that from him.

And Dawud ibn Abi Hind narrated from him the opposite of this (4).

And the people of knowledge differed after that regarding this matter:

As for Sufyan al-Thawri and the people of Kufah, they held the view of specifying fifteen, and they said: If one resolves upon a stay of fifteen (nights), he completes the prayer.

And al-Awza'i said: If one resolves upon a stay of twelve (nights), he completes the prayer (5).

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(1) Narrated by 'Abd al-Razzaq (4343), Ibn Abi Shaybah 2/455, and Ibn al-Mundhir 4/355, and its chain is authentic.
(2) Narrated by 'Abd al-Razzaq (4342) and Ibn al-Mundhir 4/355 and 356, and it is the last of his statements as Nafi' mentioned; Ibn al-Mundhir transmitted it (2279).
(3) Narrated by 'Abd al-Razzaq (4346) and (4347), Ibn Abi Shaybah 2/455, and its chain is authentic.
(4) Narrated by 'Abd al-Razzaq (4348), from al-Thawri: Dawud ibn Abi Hind informed me, from Ibn al-Musayyib, who said: If you resolve upon a stay of fifteen nights, then complete (the prayer), and its chain is authentic, and it is in the Musannaf of Ibn Abi Shaybah 2/454.
(5) And they adduced as evidence the hadith of Abu Dawud (1231) via the chain of Muhammad ibn Ishaq, from al-Zuhri, from 'Ubayd Allah ibn 'Abd Allah, from Ibn 'Abbas, who said: The Messenger of Allah, peace and blessings be upon him, stayed in Mecca during the Year of the Conquest for fifteen (days), shortening the prayer. And Muhammad ibn Ishaq was followed on it by al-Nasa'i 3/121, for he narrated it via the chain of 'Abd al-Hamid ibn Ja'far, from Yazid ibn Abi =