Sunan an Nasai
2521
Sahih+2

It was narrated from Ibn 'Umar that:the Messenger of Allah enjoined that Sadaqatul Fitr should be given before the people go out to pray. (One of the narratorsP: Ibn Bazi'said: "Zakatul-Fitr)

SahihAbu Ghuddah
SahihAl-Albani