| ADC-ITB No. 2023-004 | Office Equipment and Furniture "As Is" "Where Is" Basis | October 25, 2023 | View PDF | Download |
| ADC-ITB No. 2023-003 | Office Equipment and Furniture "As Is" "Where Is" Basis (Re-Advertisement) | September 18, 2023 | View PDF | Download |
| ADC-ITB No. 2023-002 | Office Equipment and Furniture "As Is" "Where Is" Basis | August 30, 2023 | View PDF | Download |
| ITB R4B-2023-005 (Infra) | Design (Structural) and Build for the Proposed Slope Protection Works of the Records Building Lot at Provincial Satellite Auditing Office (PSAO) Compound, Mamburao, Occidental Mindoro | August 23, 2023 | View PDF | Download |
| ITB R4B-2023-004 (Infra) | Design (Architectural, Structural, Mechanical, Electrical, Sanitary/Plumbing) and Build for the Construction of Two (2) Storey Records Building at Provincial Satellite Auditing Office (PSAO) Compound, Mamburao, Occidental Mindoro | August 23, 2023 | View PDF | Download |
| ITB R4B-2023-005 | Supply, Delivery, and Installation of Twelve (12) 3.0 TR Floor Mounted, Split-Type Package Air-Conditioning Units (Re-Advertisement) | June 14, 2023 | View PDF | Download |
| ITB R4B-2023-004 | Supply, Delivery, and Installation of Twelve (12) 3.0 TR Floor Mounted, Split-Type Package AirConditioning Units | May 16, 2023 | View PDF | Download |
| ADC-ITB No. 2023-001 | IT Equipment and Assorted Non-IT Equipment "As Is" "Where Is" Basis | May 4, 2023 | View PDF | Download |
| ITB R4B-2023-003 | Procurement of Seventy-Eight (78) units Laptop Computer | March 28, 2023 | View PDF | Download |
| ITB R4B-2023-002 | Proposed Modular Partition for COA Regional Office No. IV-B, Commonwealth Ave., Quezon City (Re-Advertisement) | March 23, 2023 | View PDF | Download |
| ITB R4B-2023-001 | Proposed Modular Partition for COA Regional Office No. IV-B, Commonwealth Ave., Quezon City | February 1, 2023 | View PDF | Download |
| ITB No. 2022-001 | Construction of Provincial Satellite Auditing Office (PSAO) Building Phase II at Capitol Compound, Mamburao, Occidental Mindoro ● Supplemental Bid Bulletin No. 1 | June 8, 2022 | View PDF | Download |
| ADC-ITB No. 2022-001 | IT Equipment and Assorted Non-IT Equipment | April 18, 2022 | View PDF | Download |
| ITB No. 2021-003 | Procurement of Fifty Five (55) Units Computer Laptop (Slim Type) ● Supplemental Bid Bulletin No. 1 | December 28, 2021 | View PDF | Download |
| ITB No. 2021-002 | Procurement of Fifty Five (55) Units Computer Laptop (Slim Type) ● Supplemental Bid Bulletin No. 1 | November 11, 2021 | View PDF | Download |
| ITB No. 2021-001 | Procurement of Fifty Five (55) Units Computer Laptop (Slim Type) | September 17, 2021 | View PDF | Download |
| ITB No. 2019-001 | Design ( Architectural, Structural, Mechanical, Electrical, Sanitary/Plumbing) and Build for the Construction of Two (2) Storey Records Building at Provincial Satellite Auditing Office (PSAO) Compound, Brgy. Guinobatan, Calapan City, Oriental Mindoro | November 19, 2019 | View PDF | Download |
| ITB No. 2019-002 | Design (Structural, Mechanical, Electrical, Sanitary/Plumbing) and Build for the Construction of Two (2) Storey Records Building at Provincial Satellite Auditing Office (PSAO) Compound, Brgy. Sta. Monica, Puerto Princesa City, Palawan | November 19, 2019 | View PDF | Download |