b. Of the total rent , $________ will be payable by the State Agency (Agency) as housing assistance payments on behalf of the Tenant and $__________ will be payable by the Tenant. These amounts will be subject to change by reason of changes in the Tenant's family income, family composition, or extent of exceptional medical or other unusual expenses, in accordance with HUD -established schedules and criteria; or by reason of adjustment by the Agency of any applicable Utility Allowance ; or by reasons of changes in program rules. Any such change will be effective as of the date stated in a notification to the Tenant.