Sunan an-Nasa'i 2303
سنن النسائي#2303SahihIt was narrated from Hamzah bin 'Amr that he said to the Messenger of Allah:"I feel able to fast while traveling; is there any sin on me?" He said: "It is a concession from Allah, the mighty and sublime, so whoever accepts it has done well, and whoever wants to fast, there is no sin on him
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 ZaiHasan
In-book reference: 22:214