What is the reason maintenance is suspended due to a wife's disobedience (Nushuz)?
Chapter on the Condition in which Maintenance is Obligatory on the Husband
Al-Mughni
Book of Maintenance (Nafaqāt)
Primary text
Maintenance is suspended due to a wife's disobedience because she has departed from the husband's control or has prevented him from exercising his due right to marital reception (Tamkin). This suspension is only lifted upon her return to his control and his ability to exercise that right over her.