This is a Hanafi text. The Hanafi school requires make-up after a voluntarily commenced fast is invalidated. The Maliki school also requires make-up when it is broken without excuse but differs over excuse-based interruption.
Shafiʿi and Hanbali schools generally do not require making up a terminated voluntary fast, though doing so may be recommended. Quduri’s ruling must therefore be identified as the Hanafi position, not presented as unanimous across every school.
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Kitab al-Sawm: Interrupted Voluntary Worship, Puberty and Conversion
This is a Hanafi text. The Hanafi school requires make-up after a voluntarily commenced fast is invalidated. The Maliki school also requires make-up when it is broken without excuse but differs over excuse-based interruption.
Shafiʿi and Hanbali schools generally do not require making up a terminated voluntary fast, though doing so may be recommended. Quduri’s ruling must therefore be identified as the Hanafi position, not presented as unanimous across every school.