مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ١٨١ - ORDERS REGARDING QIBLA

PRAYERERS - DRESS
٧٩٦. While offering prayers a man should cover his private parts even if no one is observing him and it is better that he should cover his body from his navel up tohis knees.
٧٩٧. A woman should cover her entire body while offering prayers and she should cover even her head and hair. And the recommended precaution is that she should also cover the soles of her feet. It is not necessary for her to cover that part of her face which is washed while performing ablutions or the hands up to the wrists or the visible part of the feet up to the ankles. Nevertheless, in order to ensure that she has covered that part of her body which is obligatory for her to cover she should also cover a part of the sides of her face as well as a part of her wrists and some portion of her feet below the ankles.
٧٩٨. When a person offers the forgotten lapsed prostration or tashahhud he should cover himself in the same manner in which he has to cover himself for prayers andthe recommended pre- caution is that he should also cover himself at the time of offering sajdahtus sakv.
٧٩٩. If while offering prayers a person does not cover his private parts intentionally or on account of not knowing the rule and thus commits fault, his prayers isvoid.
٨٠٠. If a person realizes while offering prayers that his private parts are visible what is more apparent is that his prayers is void. However, if he realizes afteroffering prayers that during the prayers his private parts were visible his prayers is valid. And the position is the same if he realizes while offering prayers that earlierhis private parts were naked but are covered at that moment.
٨٠١. If the dress of a person covers his private parts while he stands but it is possible that it may not cover them in another posture (e.g. in the state of bowingand prostration) and if he covers those parts by some means when they are visible his