"He used to pray them before 'Asr, but if he got distracted or forgot them, he would pray them after 'Asr, and if he did a prayer he would be constant in it."
Sunan an-Nasa'i Book 6, Hadith 85
← Previous Hadith "There are two prayers that the Messenger of Allah (ﷺ) never neglected to pray them in my house secretly nor publicly: Two Rak'ahs before Fajr and two Rak'ahs after 'Asr."

Sunan an-Nasa'i Book 6, Hadith 84 Next Hadith → "They are two Rak'ahs that I used to pray after Zuhr, but I got distracted and forgot them until I prayed 'Asr."

Sunan an-Nasa'i Book 6, Hadith 86