An independent prostration of recitation outside prayer requires the ordinary valid-prayer conditions: ritual purity, covering, facing the qibla and a clean place.
When performed within prayer on the imam's recitation, it is integrated into that valid prayer without a separate opening consecration or ending salam.
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Prostration of Recitation: Locations, Obligation, Hearing and Performance
An independent prostration of recitation outside prayer requires the ordinary valid-prayer conditions: ritual purity, covering, facing the qibla and a clean place.
When performed within prayer on the imam's recitation, it is integrated into that valid prayer without a separate opening consecration or ending salam.