Tuesday, December 23, 2025
An engineering change order (ECO) is a change to a previously EAC-certified voting system’s hardware, documentation, or data that is minor in nature and effect. ECOs require voting system test laboratory review and endorsement as well as EAC approval. Any proposed change that is not deemed to be a minimal change is a modification and must be submitted for testing and review consistent with the EAC Testing and Certification Program requirements.
Engineering Change Orders
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Manufacturer
- Show all (257)
- Dominion Voting Systems Corp (This company was purchased by Liberty Vote USA Inc. ) (85)
- Election Systems & Software, Inc (ES&S) (62)
- Hart InterCivic, Inc. (41)
- Unisyn Voting Solutions (a division of International Lottery and Totalizator, Inc) (32)
- MicroVote General Corp. (14)
- (-) Clear Ballot Group, Inc. (23)
| ECO | Manufacturer | Testing Lab | Impacted Device/System | Date Approved |
|---|---|---|---|---|
| CBG-117 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.3 / Dell PowerEdge Server R440 |
05-05-2023 |
| CBG-165 | Clear Ballot Group, Inc. | Pro V&V | DesignStation and CountStation; ClearVote 2.3 |
01-09-2024 |
| CBG-172 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.2 (ClearCast Go) |
12-08-2023 |
| CBG-191 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.2, EMS |
11-02-2022 |
| CBG-194 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.3, EMS |
11-22-2022 |
| CBG-4112 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.3 |
04-23-2025 |
| CBG-CV25-1 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.5 |
12-30-2025 |
| CBG-CV25-2 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.5 |
01-16-2026 |
| CBG-CV25-3 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.5 |
01-12-2026 |
| CBG-CV25-4 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.5 |
12-30-2025 |
| CBG-CV25-5 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.5 |
12-31-2025 |
| CBG-CV25-6 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.5 |
01-16-2026 |
| Clear Ballot SW13406 | Clear Ballot Group, Inc. | Pro V&V | ClearCast Go Version 2.2.a and ClearCast Model D Version 2.2.9 |
03-10-2023 |
| COTS-13 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.3 DesignStation, CountStation, and ScanStation |
05-12-2023 |
| COTS-97 | Clear Ballot Group, Inc. | Pro V&V | ScanServer on ClearVote 2.3 |
04-12-2023 |
| ECO 22-1 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.0 and 2.2 |
04-18-2022 |
| HW-1086 | Clear Ballot Group, Inc. | Pro V&V | ClearAccess component (ClearCount 2.0) |
03-18-2020 |
| HW-4211 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 2.0, ClearVote 2.1, ClearCount 1.6 |
02-19-2021 |
| HW-873 | Clear Ballot Group, Inc. | Pro V&V | ClearCount and ClearDesign (ClearVote 2.0) |
01-31-2020 |
| HW-879 | Clear Ballot Group, Inc. | Pro V&V | ClearCount Scanner (ClearVote 2.0) |
03-23-2020 |
| HW-880 | Clear Ballot Group, Inc. | Pro V&V | ClearCount 2.0 (ClearAccess component) |
03-23-2020 |
| SW-7679 | Clear Ballot Group, Inc. | Pro V&V | ClearVote 1.5, 2.0 |
08-27-2020 |
| SW7679 | Clear Ballot Group, Inc. | ClearVote 1.5, 2.0, and 2.1 (ClearDesign, ClearAccess, and ClearCount components |
08-27-2020 |