Ruling 1761 — Spiritual Retreat (Iʿtikāf)

If a muʿtakif sits on a usurped (ghaṣbī) carpet and he is aware of the fact that it is usurped, he commits a sin but his iʿtikāf does not become invalid. If someone gets to a place first and reserves it and a muʿtakif takes his place without his consent, then although he commits a sin, his iʿtikāf is valid.