Invitations to Bid 2022 COA Central Office COA CAR COA Region I COA Region II COA Region IV-B COA Region VI COA Region VIII COA Region X COA Region XI COA Region XII 2021 COA Central Office COA CAR COA Region I COA Region II COA Region III COA Region VI COA Region VIII COA Region X COA Region XI COA Region XII 2020 COA Central Office COA CAR COA Region I COA Region II COA Region III COA Region IV-A COA Region VI COA Region VIII COA Region X COA Region XI COA Region XII COA BARMM