Jami` at-Tirmidhi 591

جامع الترمذي#591Da'if

Mu'adh bin Jabal narrated that :the Messenger of Allah said: "When one of you comes to the Salat and (finds) the Imam is in a position, then do as the Imam is doing

Scholarly Authentication

We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:

Ahmad Muhammad ShakirSahih

Al-AlbaniSahih

Zubair Ali ZaiDaif

In-book reference: 6:48

All of Jami` at-Tirmidhi