Issue No.797- If a person owns a property in partnership with another person, and his share is not defined, he cannot make use of that property and also cannot offer prayer without the consent of his partner.
Issue No.798- If a person purchases a property with money from which khums or zakāt has not been paid, his use of that property is haram, and the prayer in it is void as an obligatory precaution. The same rule applies if he purchases a property on credit, and his intention at the time of purchase is to pay for it from the money whose khums or zakāt has not been paid. The obligatory precaution in this case is to avoid using that property.
Issue No.800- Making use of the property of a dead person, who has not paid zakāt or khums, and offering prayer on it is haram, unless the aforementioned debt is paid.
Issue No.806- It is permissible to perform prayer on a heap of wheat or barley or any other similar things which have a slight motion, provided that one can perform the obligatory parts of prayer.
Issue No.807- In places where one is not sure whether he can finish his prayer or not due to the possibility of strong wind, rain, or the pushing of a crowd, etc., if he starts his prayer with the hope of being able to finish it and does not face any obstacles, his prayer is correct.
Issue No.808- One should not perform prayer anywhere that it is haram to stay, (e.g., under a roof which is about to collapse, or at a place where there is the danger of landslide or flood), and in case he offers his prayer there, he should, as an obligatory precaution, repeat his prayer. Also, it is not permissible to offer prayer on an object upon which it is haram to step or sit, like a carpet with the name of Allah on it.
Issue No.814- As an obligatory precaution, one cannot be alone with a non-maḥram in a place where no one can enter. Prayer in such a place is void as well, as an obligatory precaution. The same rule applies to performing prayer in a sinful gathering, like where people drink alcoholic beverages, gamble, or engage in backbiting.
Issue No.815- Obligatory prayers should not be offered in the Holy Ka‘bah as an obligatory precaution. However, there is no problem in performing mustaḥab prayer in the Ka‘bah. In fact, it is recommended that two rak‘ats should be offered before every corner within the Holy House. However, prayer, obligatory or mustaḥab, on the roof of the, Ka‘bah is void as an obligatory precaution.
Issue No.818- Performing prayer in the shrines of the holy Imams (as) is mustaḥab. It has been narrated that offering prayer in the sacred shrine of Amir al-Mu’minīn Imam Ali (as) is equal to 200,000 prayers .
Issue No.819- It is mustaḥab to go to a mosque in which no one performs prayer. And it is better for those who live in the neighbourhood of a mosque to not pray anywhere other than the mosque, unless they have a proper excuse.
Issue No.834- Building a mosque is mustaḥab and it is better that the mosque is located in a more suitable and better place so that more Muslims may use it. Repairing a mosque is mustaḥab too and it is considered as one of the best acts. And if a mosque is in a way that cannot be repaired at all, it can be demolished entirely and rebuilt.
Issue No.835- If a mosque can be used yet it needs to be expanded, it is permissible to demolish it and build a better and larger one.
