Sunan an-Nasa'i 2297
سنن النسائي#2297SahihIt was narrated that Hamzah bin 'Amr said:"I asked the Messenger of Allah about fasting while traveling. He said: 'If you wish to fast then fast, and if you wish not to fast then do not fast
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: 22:208