Chapter on What Invalidates Fasting, What Impairs the Conditions of Its Obligation, and Nullifies Fasting

Muhammad ibn Yaqub, from Muhammad ibn Yahya, from Muhammad ibn al-Husayn, from Ali ibn al-Hakam, from al-Ala ibn Razin, from Muhammad ibn Muslim, from Abu Ja’far عليه السلام, peace be upon him, who said: Imam عليه السلام said: “The fasting person may soak himself in water, pour water over his head, cool himself with a garment, sprinkle (damp) the fan, and sprinkle (damp) the reed mat (al-buriya), but he must not immerse his head in water.”