Can an amendment be signed electronically?

Yes. Electronic signatures satisfy ESIGN (15 U.S.C. ch. 96) and UETA where adopted, provided intent, consent, attribution, and reliable retention are documented.

Do consumer-facing amendments need a special disclosure?

Yes. Consumer-facing electronic records may require an ESIGN consumer consent disclosure and confirmation that the consumer can access records electronically per 15 U.S.C. §7001(c).

When is notarization necessary?

Notarization depends on state law and the document type; check local requirements if the amendment affects deeds, powers of attorney, or other notarized instruments.

What if a signer lacks authority?

If a signer lacks documented authority, the amendment may be unenforceable; obtain corporate authorizations or board resolutions to avoid challenges.

How should signed amendments be stored?

Store signed copies with secure access controls, an immutable audit trail, and retention aligned to IRS, HIPAA, and applicable state requirements.

Can I revise an amendment after signing?

Yes, but execute a subsequent amendment or restatement that both parties sign; record all versions and retain prior signed copies for audit purposes.

Electronic Signature
Templates
Miscellaneous
Model Changes Agreement

Model Changes Agreement

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

MODEL CHANGES AGREEMENT

This Model Changes Agreement (the "Agreement") is entered into as of by and between:

Provider Name: Provider Address: Provider Primary Contact (Name / Email / Phone): Client Name: Client Address: Client Primary Contact (Name / Email / Phone):

WHEREAS

WHEREAS, Provider has developed, maintains, or licenses an existing model, model components, methods, and related materials (the "Existing Model") that are subject to modification; and

WHEREAS, Client desires that Provider perform specified changes, updates, enhancements or customizations to the Existing Model, and Provider is willing to perform such work under the terms and conditions set forth herein; and

WHEREAS, the parties wish to set forth their understanding regarding scope, timing, compensation, confidentiality, intellectual property, and other terms governing the Model Changes.

1. SCOPE OF WORK

Provider shall perform the model change services described below and any work reasonably necessary to deliver the modifications in accordance with the acceptance criteria. All work shall be performed in a professional manner consistent with industry standards.

Detailed Description of Model Changes and Deliverables: Acceptance Criteria:

2. CHANGE REQUESTS

Any changes to the scope described above shall be effected only by a written Change Request signed by authorized representatives of both parties. Each Change Request shall identify the requested change, the estimated impact on fees and schedule, and the acceptance criteria for the changed deliverable.

Change Request Procedure Notes:

3. PAYMENT TERMS

In consideration for the services rendered by Provider under this Agreement, Client shall pay Provider in accordance with the terms below.

Total Fee (USD): Payment Schedule / Milestones: Invoices Payable Within (days): Late Payment Fee:

All fees are exclusive of taxes. Client shall be responsible for any taxes assessed on payments due to Provider, excluding taxes based on Provider's net income.

4. TERM AND TERMINATION

The term of this Agreement shall commence on the Start Date and continue until the End Date, unless earlier terminated as provided herein.

Start Date:

End Date:

Notice Period to Terminate Without Cause (days):

Either party may terminate this Agreement for material breach by the other party if the breaching party fails to cure such breach within thirty (30) days after receipt of written notice specifying the breach. Termination shall not relieve Client of the obligation to pay for services performed and expenses incurred through the effective date of termination.

5. CONFIDENTIALITY

"Confidential Information" means any non-public information disclosed by one party to the other in connection with this Agreement, whether oral, written or electronic, including but not limited to technical data, models, specifications, business information, pricing, and trade secrets. Confidential Information does not include information that: (a) is or becomes generally available to the public other than as a result of disclosure by the receiving party; (b) is rightfully received from a third party without breach of any obligation of confidentiality; (c) is independently developed by the receiving party without reference to the disclosing party's Confidential Information; or (d) is required to be disclosed by law or valid subpoena, provided that the receiving party gives prompt written notice and reasonably assists the disclosing party in any lawful effort to contest or limit the disclosure.

The receiving party shall: (i) protect Confidential Information using at least the same degree of care it uses to protect its own confidential information but in no event less than reasonable care; (ii) use Confidential Information only for the purposes of performing its obligations or exercising its rights under this Agreement; and (iii) limit disclosure to employees, contractors or agents who have a need to know and are bound by confidentiality obligations no less protective than those set forth herein.

The obligations in this Section shall survive termination of this Agreement for a period of three (3) years, except for trade secrets which shall be protected for so long as they remain trade secrets under applicable law. The parties acknowledge that breach of this Section may cause irreparable harm for which monetary damages are inadequate and that injunctive relief is an appropriate remedy.

6. INTELLECTUAL PROPERTY

Provider retains all right, title and interest in and to the Existing Model, Provider's pre-existing tools, methods, know-how and any improvements not specifically created for and paid for by Client under this Agreement. Subject to full payment of all amounts due hereunder, Provider hereby assigns to Client all right, title and interest in and to modifications, customizations, new model components or deliverables specifically created and delivered under this Agreement (the "Work Product"). This assignment is subject to Provider's retained rights in its underlying algorithms, software tools, libraries, and general know-how, and Provider grants Client a worldwide, perpetual, royalty-free, non-exclusive license to use those retained components to the extent necessary to use the Work Product as delivered.

Each party represents and warrants that it has the right to grant the rights granted in this Agreement and that the Work Product will not infringe the intellectual property rights of any third party. Provider's sole obligation for infringement claims is to, at Provider's option, (a) procure the right to use the infringing item, (b) replace or modify the item to make it non-infringing while materially preserving functionality, or (c) if neither (a) nor (b) is commercially practicable, refund fees paid for the infringing portion of the Work Product.

7. REPRESENTATIONS; WARRANTIES; LIMITATION OF LIABILITY

Each party represents that it is duly authorized to enter into this Agreement. Provider warrants that the services will be performed with reasonable skill and care in accordance with industry standards. EXCEPT FOR THE EXPRESS WARRANTIES STATED IN THIS SECTION, ALL SERVICES AND DELIVERABLES ARE PROVIDED "AS IS" AND PROVIDER DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL OR PUNITIVE DAMAGES ARISING OUT OF OR RELATED TO THIS AGREEMENT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCEPT FOR A BREACH OF CONFIDENTIALITY OR INFRINGEMENT OF INTELLECTUAL PROPERTY, EACH PARTY'S AGGREGATE LIABILITY FOR ANY CLAIMS ARISING OUT OF THIS AGREEMENT SHALL NOT EXCEED THE AMOUNTS PAID OR PAYABLE BY CLIENT TO PROVIDER UNDER THIS AGREEMENT IN THE TWELVE (12) MONTHS PRECEDING THE EVENT GIVING RISE TO THE CLAIM.

8. NOTICES

All notices under this Agreement shall be in writing and delivered to the addresses specified in this Agreement or such other address as either party may designate by written notice. Notices are effective upon personal delivery, one (1) business day after delivery to a nationally recognized overnight courier, or three (3) business days after mailing by certified mail, return receipt requested.

9. GOVERNING LAW

This Agreement shall be governed by and construed in accordance with the laws of without regard to principles of conflicts of law.

10. ENTIRE AGREEMENT; MISCELLANEOUS

This Agreement, including all duly executed Change Requests, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous agreements, proposals and communications. No amendment or modification of this Agreement shall be binding unless in writing and signed by authorized representatives of both parties.

If any provision of this Agreement is held to be invalid or unenforceable, the remainder of the Agreement shall remain in full force and effect. The parties are independent contractors and nothing in this Agreement creates a partnership, joint venture, agency or employment relationship.

SIGNATURES

The parties have executed this Agreement through their duly authorized representatives as of the dates indicated below.

Provider (Printed Name):

By:

Date:

Client (Printed Name):

By:

Date:

What the Model Changes Agreement Is and When It Applies

A Model Changes Agreement documents agreed modifications to an existing model, template, or master agreement and records the scope, effective date, and responsibilities created by the change. It functions as an amendment or addendum that references the original model, identifies parties and approved revisions, and clarifies implementation steps and timelines. Use it to preserve a clear audit trail of modifications, assign responsibility for follow-up tasks, and reduce disputes about scope or intent. The form should reference the underlying agreement and specify whether prior provisions remain in force or are superseded.

Why a Model Changes Agreement Matters for Contract Clarity

A clear, written amendment prevents ambiguity about which version of a model controls, documents mutual consent, and helps meet audit and regulatory requirements. It reduces downstream disputes, supports internal change control, and provides a record for regulatory, tax, or compliance reviews.

Who Typically Prepares and Signs This Agreement

Parties and stakeholders who manage models, templates, or master agreements usually prepare the amendment; this helps operationalize changes across teams and systems.

Legal and contracts teams ensuring enforceability and consistent wording across documents.
Product, engineering, or model owners who approve technical or specification changes.
Procurement, vendor management, or program leads coordinating implementation and vendor obligations.

Use clear role definitions and version references so signatories understand their duties and the effective date for each change.

Step-by-step: Completing a Model Changes Agreement

Follow this sequence to prepare, review, and finalize amendments so the change is enforceable and operationally actionable.

01

Prepare: Identify the baseline model, list proposed changes, and attach the referenced original document.
02

Draft: Describe changes precisely, state effective date, and assign implementation responsibilities.
03

Review: Route to legal, compliance, and business owners for approval and redlines.
04

Execute: Collect signatures, record the signed amendment with the master document, and notify stakeholders.

How the Amendment Works in Practice

This workflow clarifies how the Model Changes Agreement modifies the original document and how parties confirm implementation.

Reference Original: Cite original document title, date, and version to avoid ambiguity.
Describe Changes: Use tracked-text or numbered clauses so each change maps to the original provision.
Set Effective Date: State the exact MM/DD/YYYY effective date and any phased implementation schedule.
Confirm Acceptance: Include signature blocks for all authorized signers to evidence mutual consent.

Core Elements Every Professional Amendment Should Include

A strong Model Changes Agreement is concise but complete, linking to the original model, specifying the change, and making implementation clear.

Reference

Full citation of the original model or agreement, including title, version, and execution date, so the amendment is unambiguous and auditable.

Scope

Precise description of what is changed, added, or removed, using clause numbers and redline excerpts where feasible to prevent interpretive disputes.

Effective Date

A clearly stated effective date and any transition or sunset dates to govern when obligations begin and end.

Responsibilities

Assignment of implementation tasks, timelines, and the party responsible for monitoring compliance with the amendment.

Signature Block

Authorized signers, printed names, titles, dates, and any witness or notary acknowledgements required by jurisdiction.

Integration

Language confirming how this amendment interacts with other agreements — whether it supersedes, modifies, or sits alongside prior terms.

Essential Data and Security Considerations

Party Identifiers: Legal name, address, and taxpayer ID

Document Version: Original version and amendment identifiers

Effective Date: MM/DD/YYYY format

Signatory Details: Name, title, and signing capacity

Audit Trail: Timestamp, IP, and action log

Encryption: TLS in transit, AES-256 at rest

Common Legal and Operational Risks to Avoid

Ambiguous Scope: Risk of contract disputes

Incorrect Parties: Execution may be voidable

Missing Dates: Unclear effective obligations

Unauthorized Signatures: Enforceability challenges

Retention Failures: Audit and compliance gaps

Improper Notarization: State law invalidation

Typical Mistakes When Preparing an Amendment

Failing to cite the exact original clause or exhibit, which causes disagreement about the scope of the amendment and complicates audits or enforcement.
Using vague language such as 'as mutually agreed' without specifying required approvals, timelines, or measurable outcomes for implementation.
Collecting signatures from individuals lacking documented authority to bind the party, creating grounds for later ratification disputes.
Neglecting to update internal systems and repositories with the signed amendment, which leads teams to act on outdated terms.

Typical eSignature Pricing and Feature Comparison

Platform pricing models and feature sets vary; the table shows starting price, trial availability, bulk send, audit trail, HIPAA compliance status, and envelope limits for common vendors.

	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 vendor	Varies by vendor	Varies by vendor	Varies by vendor
Bulk Send	Yes (plan dependent)	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes (BAA available)	Yes	Yes	No	No
Envelope Cap	No envelope cap	100 envelopes/user/year	Varies by plan	Varies by plan	Varies by plan

How Teams Use Model Changes Agreements — Real Examples

Two practical examples show how amendments clarify changes and reduce implementation risk across organizations.

Optica Ventures — COO

The team documented a pricing model update to preserve billing continuity and reduce disputes

Change tracked by clause number and signed digitally
The amendment ensured accounting and billing systems were updated promptly and reduced invoice disputes during quarter-end reconciliation.

Martin Properties — Founder

A lease model change formalized updated amenity fees and maintenance responsibilities

Signatures captured remotely during vacancy turnover
The signed amendment allowed property management to enforce the new fee structure while maintaining tenant notice records.

Frequently Asked Questions About Model Changes Agreements

Answers to common execution, validity, and storage questions when preparing and signing amendments.

Need help? Contact support

Can an amendment be signed electronically?
Yes. Electronic signatures satisfy ESIGN (15 U.S.C. ch. 96) and UETA where adopted, provided intent, consent, attribution, and reliable retention are documented.
Do consumer-facing amendments need a special disclosure?
Yes. Consumer-facing electronic records may require an ESIGN consumer consent disclosure and confirmation that the consumer can access records electronically per 15 U.S.C. §7001(c).
When is notarization necessary?
Notarization depends on state law and the document type; check local requirements if the amendment affects deeds, powers of attorney, or other notarized instruments.
What if a signer lacks authority?
If a signer lacks documented authority, the amendment may be unenforceable; obtain corporate authorizations or board resolutions to avoid challenges.
How should signed amendments be stored?
Store signed copies with secure access controls, an immutable audit trail, and retention aligned to IRS, HIPAA, and applicable state requirements.
Can I revise an amendment after signing?
Yes, but execute a subsequent amendment or restatement that both parties sign; record all versions and retain prior signed copies for audit purposes.

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