Jundab reported,

I witnessed the Prophet ﷺ perform the prayer on the day of Eid, then he delivered a sermon and said, "Whoever has already slaughtered should slaughter another in its place, and whoever has not yet slaughtered should slaughter in the name of Allah."

Bukhari 6674

Sahih

حدثنا سليمان بن حرب حدثنا شعبة عن الأسود بن قيس قال سمعت

جندبا قال

شهدت النبي ﷺ صلى يوم عيد ثم خطب ثم قال من ذبح فليبدل مكانها ومن لم يكن ذبح فليذبح باسم الله

البخاري 6674صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Oaths and vows
Chapter
If one breaks an oath forgetfully
Numbering
Darussalam 6674
Bukhari 6674