مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ٢٩١ - Prayers of a Traveller

limit of tarakhkhus or more, and if the period of his going and return is, for example, about one or two hours which is not usually inconsistent with ten days stay, he should offer complete prayers. And if the period is more than that, he should, as a precautionary measure, offer shortened as well as complete prayers, and it that period is full day or the larger part of it, he should offer shortened prayers.
١٣٤٨. A traveller, who is not determined to stay at a place for ten days e.g. if his intention is that he will stay there for ten days if his companion comes, or ifhe finds a good house to stay in, he should offer shortened prayers.
١٣٤٩. If a traveller, who has decided to stay at a place for ten days, considers it probable that his stay at that place will be impeded, and this probability isrational, he should offer shortened prayers.
١٣٥٠. If a traveller knows, for example, that ten days or more remain before the month comes to an end, and determines to stay at a place till the end of the monthhe should offer complete prayers. Suppose he does not know as to how many days remain in the month coming to an end, and determines to I stay till the end of the month whenit is known, for example, that the month will come to an end on Friday, but the traveller does not know whether the first day of his determination is Thursday, in which casethe period of his stay will be nine days, I or it is Wednesday, in which case it will be ten days. In this case, too, if it becomes known later that the first day of hisdetermination was Wednesday, he should offer complete prayers. Otherwise he should offer shortened prayers, though the number of days from the time he made his determinationtill the end of the month comes to ten days or more.
١٣٥١. If a traveller determines to stay at a place for ten days and abandons this idea before offering one prayers consisting of four units or is uncertain as to whether he should stay