Repair and deduct is a principle of landlord–tenant law in the United States regarding a tenant's legal right to repair defects or damages that the landlord has neglected to repair, and then deduct the value of the repair (parts, labor, etc.)
from the next rent payment.
[1] Within the United States, the availability to tenants of a right to repair and deduct, varies on a state-by-state basis.
[2] In the state of California, tenants may exercise the repair and deduct right up to two times in a single 12-month period.
[3]