وَيُصَلِّي الْقَائِمُ خَلْفَ الْقَاعِدِ.
Meaning: A person praying while standing may follow an imam praying while seated.
When the imam cannot stand due to a valid excuse but can perform the other prayer acts while seated, Abu Hanifa and Abu Yusuf permit a standing follower to follow that imam.
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Whom May One Follow in Prayer? Qualifications and Validity of Imamate
وَيُصَلِّي الْقَائِمُ خَلْفَ الْقَاعِدِ.
Meaning: A person praying while standing may follow an imam praying while seated.
When the imam cannot stand due to a valid excuse but can perform the other prayer acts while seated, Abu Hanifa and Abu Yusuf permit a standing follower to follow that imam.