REGION : COTABATO CITY
REVENUE DISTRICT OFFICES
- REVENUE DISTRICT NO. 107 (RDO-107) - Revenue District Office No. 107 - Cotabato City
- REVENUE DISTRICT NO. 108 (RDO-108) - Revenue District Office No. 108 - Kidapawan City
- REVENUE DISTRICT NO. 109 (RDO-109) - Revenue District Office No. 109 - Tacurong City
- REVENUE DISTRICT NO. 110 (RDO-110) - Revenue District Office No. 110 - General Santos City
- REVENUE DISTRICT NO. 111 (RDO-111) - Revenue District Office No. 111 - Koronadal City