For units that are subject to rent stabilization, the rent for most tenants can increase by the consumer price index for the Washington, DC metropolitan area (CPI-W) CPI-W + 2% or 10%, whichever is less. The rents for tenants who have registered their elderly or disability status with the Rental Accommodations Division can increase by the consumer price index (CPI), social security cost of living (SS COLA), or 5%, whichever is least. A housing provider may seek a larger rent increase by filing a petition with the Rental Accommodations Division for a capital improvement, a change in services and facilities, a hardship, a substantial rehabilitation, or a Voluntary Agreement with 70% of the tenants.