(1) باب وَقْتِهَا
Anas b. Malik reported that Allah's Messenger (ﷺ) offered the 'Id prayer and then delivered the sermon giving the command:
He who slaughtered the animal before prayer should slaughter (another animal as a sacrifice). The rest of the hadith is the same. (ES)
Reference (ES): Sahih Muslim 1962 b (ES)
In-book reference (ES): Book 35, Hadith 17 (ES)
USC-MSA web (English) reference(deprecated numbering scheme): Book 22, Hadith 4834 (ES)