Sunan an-Nasa'i 2475
سنن النسائي#2475SahihIt was narrated from Abu Sa 'eed Al-Khudri that he heard the Messenger of Allah say:"No Sadaqah is due on less than five Awsaq[2] of dates, no Sadaqah is due on less than five Awaq of silver, and no Sadagah is due on less than five Dhawd (head) of camels
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: 23:41