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Project name, CO1 number, contract reference, and issuing party so the change links to the correct contract and project record.
A clear CO1 Template reduces disputes by capturing the who, what, when, and cost of each change; it supports timely approvals, accurate billing, and defensible project records under contract and regulatory review.
Teams and stakeholders who manage scope, budget, and compliance most often prepare or sign a CO1 change order.
Use the template to align internal teams and external partners so approvals, accounting, and record retention are consistent across the project.
Project name, CO1 number, contract reference, and issuing party so the change links to the correct contract and project record.
Concise description of work added, deleted, or modified, including drawings, specifications, or reference documents for scope clarity.
Itemized cost breakdown showing labor, materials, equipment, markups, and total delta to the contract price for accounting.
Number of calendar or working days added or removed with a brief schedule rationale and reference to critical-path effect if applicable.
Designated signer roles, signature blocks, dates, and any witness or notarization requirement stated to establish authority for the change.
Supporting documents such as revised drawings, RFIs, vendor quotes, and cost backup attached and indexed for auditability.
| Field | Configuration |
|---|---|
| Requester Role | Auto-assign to originating project staff |
| Approver Sequence | Contract admin then owner then finance |
| Authentication | Email link or SMS code for signer verification |
| Storage Destination | Archive to project folder in cloud storage |
Choose a platform that supports searchable PDFs, audit trails, and secure access controls for CO1 records.
Ensure the chosen service meets project procurement rules and record retention policies, and supports export to your document management system for long-term archival.
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting Price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free Trial | 7-day free trial | Varies | Varies | Varies | Varies |
| Bulk Send | Yes | Varies | Varies | Varies | Varies |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
| Envelope Cap | No cap | 100 envelopes/user/year | Varies | Varies | Varies |
Tim Martin used online change orders to close approvals while on-site.
Kodi-Marie Evans integrated signed CO1s with NetSuite for accounting alignment.