Can this form be signed electronically?

Yes. Electronic signatures are generally valid under the ESIGN Act (federal) and UETA in most states when intent, consent, attribution, and retention are met. Confirm local permit office acceptance and any additional authentication they require.

Do I need a notary or witnesses?

Most change forms do not require notarization, but local rules vary. If a permit amendment or local code requires notarized affidavits, follow that jurisdiction’s notary rules and witness requirements.

What if a signer made a mistake?

Annotate the error, have the signer initial and date the correction, or void the form and reissue a replacement. For significant substantive changes, prepare and sign a new amendment rather than altering an executed document.

Which file formats are acceptable for submission?

PDF is the preferred archival format; many municipal systems accept PDF or DOCX. Preserve the audit trail and embedded metadata when exporting signed documents.

How do I validate an electronic signature later?

Retain the platform’s certificate of completion or audit trail showing timestamps, IP addresses, and signer emails. These elements support attribution and prove the signing event occurred.

What security features should I expect from a signing platform?

Look for TLS 1.2/1.3 transit encryption, AES-256 at rest, SOC 2 Type II controls, HIPAA BAA if healthcare data is present, and an immutable audit log to support compliance and dispute resolution.

Electronic Signature
Templates
Miscellaneous
Window Installation Changes Form

Window Installation Changes Form

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

WINDOW INSTALLATION CHANGES FORM

Recitals

WHEREAS, Client Name: and Contractor Name: are parties to an existing Window Installation Agreement dated (the "Agreement").

WHEREAS, the parties desire to modify certain aspects of the work described in the Agreement for the property located at Address: ; and

WHEREAS, this Window Installation Changes Form (the "Change Order") sets forth the modifications, scope, pricing, and other terms applicable to the changed work described below and shall be incorporated into and become part of the Agreement.

Change Order Identification

Change Order Number Change Type (select all that apply)

Addition Deletion Modification Other

Scope of Work

The Contractor shall perform the following changed work in addition to the work required by the Agreement. The description must include materials, dimensions, locations, and any adjustments to existing conditions. The Contractor will perform the changed work in a workmanlike manner consistent with industry standards.

Payment Terms

Total Change Order Amount: $

Payment Schedule

Payment shall be made as follows:

Itemized Costs (if applicable)

Item 1 Description: Amount: $

Item 2 Description: Amount: $

Additional notes on pricing:

Late Payment: If any undisputed payment is not received within days after the due date, interest shall accrue at the rate of on the unpaid balance until paid in full. Contractor reserves the right to suspend performance for nonpayment after prior written notice.

Term and Termination

The changed work shall commence on: and shall be substantially completed by: , subject to extensions for excusable delays.

Either party may terminate this Change Order for material breach that remains uncured for a period of days after delivery of written notice specifying the nature of the breach. Termination of this Change Order does not terminate the underlying Agreement except as expressly provided in the Agreement.

Confidentiality

The parties acknowledge that certain information exchanged in connection with this Change Order may be confidential. Each party agrees to hold confidential information in confidence and not disclose it to third parties without the prior written consent of the disclosing party, except as required by law. Confidential information does not include information that is or becomes publicly known through no wrongful act of the receiving party, or that was already known to the receiving party without restriction prior to disclosure.

Warranties and Representations

Contractor represents that the changed work will be performed in a commercially reasonable and workmanlike manner consistent with the standards of the industry. Except as expressly modified by this Change Order, all warranties and obligations in the Agreement remain in full force and effect.

Governing Law

This Change Order shall be governed by and construed in accordance with the laws of the jurisdiction of without regard to its conflict of laws principles.

Entire Agreement

This Change Order, together with the Agreement, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous understandings and agreements, whether written or oral, regarding such subject matter. To be effective, any further modification must be in writing and signed by both parties.

Acknowledgment

By signing below, each party acknowledges that it has read this Change Order, understands its terms, and agrees to be bound by them. Execution of this Change Order may be by manual signature or electronic signature and may be executed in counterparts, each of which shall be deemed an original but all of which together shall constitute one and the same instrument.

Client Printed Name:

By:

Date:

Contractor Printed Name:

By:

Date:

What the Window Installation Changes Form Is

The Window Installation Changes Form documents modifications to an existing window installation agreement or permit application, including scope updates, material substitutions, scheduling changes, and cost adjustments. It creates an auditable record of agreed changes between property owner, contractor, and any relevant permitting authority. Completed forms typically include identifying information, a clear description of each change, revised pricing or credits, revised timelines, and signature blocks for all parties. When combined with required permits and inspections, the form helps maintain compliance with building codes and municipal permit conditions.

Why this form matters for projects and compliance

A formal change form clarifies responsibilities, prevents disputes, and documents permit-related modifications so work proceeds within code and contract terms.

Who typically completes or signs this form

Parties involved usually include the property owner, licensed contractor, and permit holder or project manager.

Property owners — confirm scope, approve cost changes, and retain a signed copy for records and warranty purposes.
Licensed contractors — document revised scope, materials, and schedule; use the form to request permit amendments if required.
Project managers / permit holders — route the change to inspectors and update the project file for compliance tracking.

Each signer should keep a copy; contractors often attach the executed form to change orders and payment records.

Core parts of a professional change form

A complete form organizes identification, scope, cost, schedule, approvals, and supporting evidence so changes are clear and enforceable.

Header

Project name, permit number, property address, contractor license number, and form version or amendment number for traceability.

Change Description

A concise, itemized description for each change: materials, quantities, dimensions, and the reason for the modification; attach drawings when needed.

Cost Impact

Clear statement of added or reduced costs, line-item pricing, any credits, and payment terms tied to the original contract or change order.

Schedule Adjustment

Revised start and completion dates, milestone updates, and any extension-of-time clauses linked to weather, supply chains, or inspections.

Approvals

Signature and printed name fields for owner, contractor, and permit authority or inspector, plus date and role for each signer.

Attachments

Space to note attached documents: revised drawings, product data sheets, permits, inspections, and any manufacturer warranty changes.

Step-by-step: completing and approving a change

Follow a consistent sequence to ensure the change is authorized, permitted, and scheduled without disrupting inspections.

01

Draft Change: Contractor prepares an itemized change description and cost estimate for owner review.
02

Owner Review: Owner reviews scope, asks questions, and requests clarifications or drawings if needed.
03

Execute Form: All parties sign the form and date it; attach required documentation and revised drawings.
04

File/Notify: Submit to the permitting authority or update the project file and schedule any required inspections.

Setting up a digital workflow for changes

Configure the online process to collect signatures, track approvals, and retain a secure audit trail for each executed change.

Field	Configuration
Authentication	Email link, SMS code, or stronger ID verification for high-risk changes
Reminders	Automated reminders at configurable intervals until all parties sign
Template	Create a reusable template with conditional fields for common change types
Retention	Automatic archiving policy and version control for compliance

Where to send the completed form and how it moves

A typical routing keeps records current with contracting parties and the local permitting office, and triggers required inspections.

To the Owner: Owner retains executed copy for contract and warranty records.
To the Contractor: Contractor attaches the signed change to the job file and updates schedule and invoices.
To the Permit Office: Submit amended forms or permit updates per local building department instructions.
To Inspectors: Notify inspectors of scope and request any required re-inspections for compliance.

Digital signing and file-format requirements

Ensure the platform you use supports reliable e-signatures, audit trails, and common document types.

Supported Formats: PDF, DOCX, and image attachments are commonly accepted.
Audit Trail: Record of timestamps, IP addresses, and signer actions must be retained.
Authentication Options: Email link, SMS code, or multi-factor ID verification where required.

Select a platform that meets legal and municipal requirements for signatures and long-term document preservation.

Download, save, and export options to keep records accessible

Save executed forms in standard formats and maintain a clear naming convention to streamline audits and inspections.

Save as PDF

Export the signed form as a flattened PDF/A for long-term archival and to preserve signature appearance and audit metadata.

Export to Cloud

Store executed copies in cloud services like Box or Google Drive with folder permissions and version history enabled.

Printable Record

Keep a printable copy with attachments for site logs, inspections, and to provide to municipal clerks when required.

CSV/Indexing

Export metadata (dates, signers, permit numbers) to CSV to feed project management or accounting systems.

Typical timelines and processing expectations

Timing varies by project size and local permit processing; build extra time for permit amendments and inspections.

Owner Acknowledgment Deadline:

Owner response recommended within 7–14 days to avoid scheduling delays.

Contractor Scheduling:

Allow 5–10 business days to reschedule work after an executed change.

Permit Amendment Processing:

Municipal review often takes 5–30 business days depending on workload and change complexity.

Inspection Scheduling:

Inspections typically require 2–10 business days lead time after filing an amendment.

Record Retention Start:

Retention period begins on the effective date listed on the executed form.

Comparing common eSignature vendor pricing and compliance

High-level plan and compliance characteristics for common vendors. Use vendor sites to confirm plan details for specific needs.

	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 by plan	Varies by plan	Varies by plan	Varies by plan
Bulk Send	Yes	Yes	Yes	Yes	Varies
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No

Security and compliance facts to confirm

Encryption: TLS 1.2/1.3 in transit; AES-256 at rest

SOC 2: SOC 2 Type II available

HIPAA: BAA available for protected health information

21 CFR Part 11: Supports FDA-regulated record controls

ESIGN / UETA: Compliant with ESIGN and UETA standards

ISO: ISO 27001 certified

Key risks if changes are not documented correctly

Permit Violation: Fines, stop-work orders

Contract Dispute: Payment withholding or litigation

Inspection Failure: Rework costs and scheduling delays

Warranty Issues: Manufacturer or contractor warranty denial

Insurance Denial: Claim rejection for unapproved modifications

Tax Record Gaps: Accounting and audit complications

Common mistakes to avoid when preparing the form

Using vague language for scope changes instead of itemized line items leads to misinterpretation and disputes.
Failing to attach revised drawings or product specs causes inspection delays and rejection of amendments.
Not confirming permit amendment requirements with the local building department can result in fines or stop-work orders.
Accepting unsigned or incomplete forms exposes parties to payment disputes and potential contract breaches.

Real-world examples of how change forms are used

Short case examples illustrate practical use and outcomes when change forms are applied correctly.

Property Retrofit

A condominium replaced single-pane windows with triple-pane units to meet energy codes

Contractor documented dimensions and material specs
The executed change form and attached energy certificate satisfied the inspector and prevented a re-inspection delay of two weeks, avoiding penalty exposure and additional labor costs.

Permit Amendment

A homeowner requested a design change mid-project to adjust egress windows

Contractor submitted a detailed change order and new drawings
The permit office accepted the amendment within ten business days after receiving the signed form and updated drawings, enabling the contractor to proceed without impacting the final occupancy inspection.

Frequently asked questions about change forms and e-signing

Answers to common questions about validity, format, signing, and corrections for Window Installation Changes Forms.

Need help? Contact support

Can this form be signed electronically?
Yes. Electronic signatures are generally valid under the ESIGN Act (federal) and UETA in most states when intent, consent, attribution, and retention are met. Confirm local permit office acceptance and any additional authentication they require.
Do I need a notary or witnesses?
Most change forms do not require notarization, but local rules vary. If a permit amendment or local code requires notarized affidavits, follow that jurisdiction’s notary rules and witness requirements.
What if a signer made a mistake?
Annotate the error, have the signer initial and date the correction, or void the form and reissue a replacement. For significant substantive changes, prepare and sign a new amendment rather than altering an executed document.
Which file formats are acceptable for submission?
PDF is the preferred archival format; many municipal systems accept PDF or DOCX. Preserve the audit trail and embedded metadata when exporting signed documents.
How do I validate an electronic signature later?
Retain the platform’s certificate of completion or audit trail showing timestamps, IP addresses, and signer emails. These elements support attribution and prove the signing event occurred.
What security features should I expect from a signing platform?
Look for TLS 1.2/1.3 transit encryption, AES-256 at rest, SOC 2 Type II controls, HIPAA BAA if healthcare data is present, and an immutable audit log to support compliance and dispute resolution.

be ready to get more

Join over 28 million airSlate SignNow users

Sign Now