(19) باب صَوْمِ يَوْمِ عَاشُورَاءَ
This hadith has been narrated from Jarir on the authority of A'mash with the same chain of transmitters and he said (these words with a little bit of variation from the previous hadith):
When (fasting) in Ramadan was (made) obligatory, he aban- doned it (the practice of observing fast on Ashura). (ID)
Reference (ID): Sahih Muslim 1127 b (ID)
In-book reference (ID): Book 13, Hadith 155 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 6, Hadith 2511 (ID)