Rules of Nejasat.
139. To make the script and pages of the Holy Quran Najis, is Haraam, and if it becomes Najis, it should be made Pak immediately with water.
140. If the cover of the Holy Quran becomes Najis, the cover should be make Pak by washing it with water.
141. Placing the Holy Quran on essential Najis like blood or a dead body, even if it be dry is Haraam and it must be replaced.
142. Writing the Holy Quran with Najis ink, even one letter of it, amounts to making it Najis is Haraam and should be erased or washed off.
143. The Holy Quran should not be given to Kafir and if there is a Quran in his hand, it should be taken from him, if possible. If the purpose of giving Quran to him or having it, is enquiry about religion, ad also if one knows that Kafir will not touch it with wet hands, then it is permissible.
144. If a page from the Holy Quran or any sacred object like a paper on which the names of Almighty Allah or the Holy Prophet or the holy Imams are written falls in a lavatory, it is obligatory to take it out and make it Pak with water; no matter what expenses it may entail. And, if it is not possible to take it out, the use of that lavatory should be discontinued till such time when one is certain that the page has dissolved and petered out. Similarly, if Turbatul Husayn falls into lavatory, and it is not possible to take it out, the lavatory should not be used until one becomes sure that it has ceased to exist, and no trace of it is present there.
145. It is Haraam to eat or drink or make others eat or drink something, which has become Najis. But if a child eats a Najis food or touches food with his Najis hand and eats it, there is no necessity to stop him.
146. Sale or lending a Najis thing, which can be made Pak by washing has no hindrance provided that its Najis character is not pronounced. But if one knows that the buyer or borrower will eat or drink it, the Nejasat of the object should be told to him.
147. If a person see someone eat or drink something Najis, or pray with a Najis dress, it is not necessary to admonish him.
148. If a place or carpet of a mans house is Najis, and if he sees that the wet body or dress of his visitor will touch the Najis thing; it is not necessary to tell him.
149. If the host comes to know during the meals, that the food is Najis, he should inform the guests about it. But if one of the guests becomes aware of it, it is not necessary for him to inform others about it.
150. If a borrowed object becomes Najis, the borrower must inform the owner, provided that he knows the owner wants to eat or drink it.
151. If a child says that a thing is Najis, or that he has washed and made it Pak, his word should not be accepted. But, if he is about to attain the age of puberty and assures that he has washed and made it Pak, his word may be accepted.