21 – They are unanimously agreed that whoever performs tayammum (dry ablution) as prescribed and then finds water before starting the prayer, his state of purification is broken; he must renew his purification and then pray (1).
22 – They are unanimously agreed that a person who has purified himself with water may lead in prayer those who performed tayammum.
23 – They are unanimously agreed that if someone performs tayammum for the obligatory prayer at the beginning of its time but does not pray, then travels to a place where water is available, he must repeat the tayammum, for his purification was nullified upon reaching the water.
24 – They are unanimously agreed that when a man dreams that he had a seminal emission or intercourse but finds no trace of fluid, no ghusl (ritual bath) is required of him.
25 – They are unanimously agreed on affirming the impurity of urine.
26 – They are unanimously agreed that the sweat of a person in a state of janābah (major ritual impurity) is pure, and the same applies to a menstruating woman.
Chapter: Places where prayer is permissible
27 – They are unanimously agreed that praying in sheepfolds is permissible. Al-Shāfiʿī alone held that it is permissible only if the place is free of their urine (2).
28 – They are unanimously agreed that the obligation of prayer is lifted from a menstruating woman.
29 – They are unanimously agreed that she is not required to make up the prayers she missed during her menstruation (3).
30 – They are unanimously agreed that she must make up the fasts she missed during her menstruation (4).
31 – They are unanimously agreed that a woman in post-natal bleeding must perform ghusl when she becomes pure.