Sunan an-Nasa'i 128
سنن النسائي#128SahihIt was narrated that 'Ali (may Allah be pleased with him) said:"The Messenger of Allah (ﷺ) set a time limit of three days and three nights for the traveler, and one day and one night for the resident - meaning, with regards to wiping (over the Khuffs)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 1:129