Spiritual Retreat: Committing an Unlawful Act After Stipulating a Condition in an Obligatory Iʿtikaf
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 1762
If at the time of making the intention for an obligatory iʿtikāf one stipulates a condition of returning (i.e. a condition of leaving the iʿtikāf in the middle of it if a problem arises) – the details of which were mentioned in Ruling 1759 – in the event that he does something that is unlawful for one to do during iʿtikāf, it is not necessary for him to make up the iʿtikāf nor to start it all over again.
-Ayatullah Sistani, Practical Laws of Islam, Spiritual Retreat (Iʿtikāf)