Get it signed
Sign a change order online
Short answer
Upload the change order to Sign PDF, check the boxes for the owner, contractor and architect or project manager, and send it so each can sign on their phone, even from site. A change order can be signed electronically like the contract it modifies; the important thing is to get it signed before the extra work starts.
Updated 25 October 2026
Who signs
- Owner or client
- Contractor
- Architect, engineer or contract administrator
- Subcontractor (for subcontract variations)
Boxes we place for you
- Signature, name and date for owner, contractor and architect
- Change order number and original contract reference (free text)
- Revised contract sum and revised completion date (free text)
- Initials beside the cost breakdown
What a change order is
A change order records an agreed change to the scope of a contract after it has been signed: extra work, omitted work, a different material, a moved deadline. It is most common in construction, where it may be called a variation, but software and agency projects use the same idea.
It changes three things that matter to everyone: the work, the price and the time. A good change order states all three, even if one of them is 'no change'.
Standard forms and contract terms
In the US, many projects use the AIA G701 change order form, signed by the owner, contractor and architect. ConsensusDocs has its own forms. In the UK, JCT contracts call them variations, instructed by the architect or contract administrator, and NEC contracts deal with them as compensation events with their own timetable.
Most construction contracts require changes to be agreed in writing before the work is done, and some say a contractor who goes ahead without a signed change order cannot claim payment for it. Courts sometimes find ways around that, but it is a poor bet. This is general information, not legal advice.
What every change order should state
The running total matters. Disputes at final account often come from change orders that never showed the cumulative position.
- Change order number and the contract it amends.
- Description of the change, with drawings or specifications referenced.
- Reason for the change: owner request, unforeseen site condition, design error.
- Cost: labour, materials, plant, overhead and profit.
- Effect on the contract sum: original sum, previous changes, this change, new total.
- Effect on time: days added or removed and the new completion date.
- Signatures of everyone the contract says must approve.
Signing on site
The practical problem with change orders is speed. The site needs an answer today; the owner is in another city. Paper change orders wait in someone's van, and work goes ahead on a phone call.
With an email link, the contractor sends the change order from the site office, the owner signs on their phone, and the architect signs from their desk. Set the order to 'one after another' if your contract requires the architect to certify before the owner approves.
Common mistakes
Verbal approvals with no written follow-up. Change orders that state cost but not time, so the contractor later claims an extension anyway. Signing by someone on the owner's side who has no authority to approve extra spend. Bundling many small changes into one vague order at the end of the job.
How to send a change order with Sign PDF
Export the change order from your estimating software or spreadsheet as PDF or Excel, or photograph a printed form on site. Sign PDF places owner, contractor and architect signature boxes from the form's labels. Ask the assistant for 'owner initials beside the cost breakdown'.
Each signer confirms an email code and signs in the browser. The sealed PDF carries a certificate with each signing time, so there is a clear record of when the change was approved relative to when the work began. On the Full plan, save your change order layout as a template.
Questions people ask
Can a construction change order be signed electronically?
Yes, unless your contract requires a particular method. Most standard forms, including AIA and JCT, do not require wet ink. Check the notices clause in your contract.
Who needs to sign a change order?
Whoever the contract names, typically the owner and contractor, and often the architect or contract administrator. On subcontracts, the main contractor and the subcontractor.
What happens if work is done without a signed change order?
The contractor may struggle to get paid for it, especially if the contract says changes must be agreed in writing first. Get it signed before the work starts.
Can the owner sign on a phone?
Yes. The owner opens the email link, confirms a code and signs in the phone browser. No app is needed.
Can I photograph a paper change order and send it?
Yes. Upload a JPG, PNG or WebP photo and Sign PDF converts it to PDF. iPhone HEIC photos need exporting as JPEG first.
Got a change order ready to go?
Upload it and every signature, initial and date box is placed for each person before you sign up. From $5 a month.
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