Can this addendum be signed electronically?

Yes. Electronic signatures are generally enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA where adopted. Ensure intent to sign, consent to electronic records, attribution, and reliable record retention to satisfy legal tests for enforceability.

When is notarization required?

Notarization is rarely required for ordinary contract amendments, but some jurisdictions or document types (real property instruments, certain statutory forms) may demand notarization. Check state recording rules and consult counsel when in doubt.

Who can sign the addendum?

An authorized signatory of each contracting party must sign. Include printed name and title to show authority; for corporations, follow internal signature authority thresholds or board approvals if required.

What if parties disagree after signing?

Disputes over scope or intent are resolved under the governing law clause in the underlying contract and the addendum. Maintain clear descriptions and an audit trail; consider mediation or dispute-resolution provisions if high-value changes are common.

How do I revoke or cancel a signed addendum?

Revocation requires mutual written agreement unless the addendum includes a unilateral termination clause. Document any cancellation with a signed amendment referencing the original addendum to avoid ambiguity.

How long should executed addenda be kept?

Retain executed addenda with the original agreement for the active term plus applicable statutory periods (IRS three-year baseline; HIPAA six years for healthcare). Confirm longer state or industry retention obligations before disposal.

Electronic Signature
Templates
Miscellaneous
Client Change Request Addendum

Client Change Request Addendum

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

Client Change Request Addendum

This Client Change Request Addendum (the "Addendum") is entered into as of Effective Date: and amends the existing Agreement titled dated between Client Name: and Service Provider: .

WHEREAS

WHEREAS, the parties previously entered into the Original Agreement referenced above for provision of services and deliverables; and

WHEREAS, Client desires certain modifications to the Scope of Work and related payment and schedule provisions; and

WHEREAS, the parties agree that the changes described herein shall be governed by the terms of the Original Agreement except as expressly modified by this Addendum.

CHANGE REQUEST IDENTIFICATION

Change Request Number Requested By Date of Request

SCOPE OF WORK — CHANGE DETAILS

Describe the change(s) to be performed Attachments or Exhibits (if any)

PAYMENT TERMS

The parties agree that compensation for the Change shall be as follows:

Total Additional Amount Payment Schedule and Milestones Late Payment

Any undisputed past-due amount shall accrue interest at the rate of (or the maximum rate permitted by law), calculated monthly on the outstanding balance from the invoice due date until paid in full. Client must notify Service Provider in writing of any good-faith dispute within ten (10) days of receipt of an invoice.

TERM AND TERMINATION

This Addendum shall commence on Change Effective Date: and shall continue until Completion Date: unless earlier terminated in accordance with this section.

Notice Period for Termination Without Cause Termination for Cause

Either party may terminate this Addendum for material breach by the other party after providing written notice and a thirty (30) day opportunity to cure; termination for cause shall be without prejudice to any other remedies available under the Original Agreement or applicable law.

CONFIDENTIALITY

All Confidential Information disclosed in connection with the Original Agreement or this Addendum shall remain subject to the confidentiality obligations of the Original Agreement. For purposes of this Addendum, "Confidential Information" means nonpublic information designated as confidential or that reasonably should be understood to be confidential given the nature of the information and the circumstances of disclosure. Each party shall protect Confidential Information with the same standard of care it uses to protect its own confidential information, but no less than a reasonable standard of care. Confidential Information does not include information that is or becomes publicly known through no breach of this Addendum, is rightfully received from a third party without restriction, or is independently developed without use of Confidential Information.

REPRESENTATIONS AND WARRANTIES

Each party represents and warrants that: (a) it has the full corporate or legal power and authority to enter into this Addendum; (b) the individual signing below is authorized to bind the party; and (c) execution of this Addendum will not violate any other agreement to which such party is bound.

GOVERNING LAW

This Addendum shall be governed by and construed in accordance with the laws of the State of without regard to its conflicts of law principles. The parties submit to the exclusive jurisdiction of the state and federal courts located in that state for resolution of disputes arising under this Addendum.

ENTIRE AGREEMENT

This Addendum, together with the Original Agreement and any documents referenced herein, constitutes the entire understanding between the parties with respect to the subject matter hereof and supersedes all prior negotiations, proposals, and communications, whether written or oral, relating to such subject matter. Except as expressly modified by this Addendum, all terms and conditions of the Original Agreement remain in full force and effect.

MISCELLANEOUS PROVISIONS

Any modifications to this Addendum must be in writing and signed by authorized representatives of both parties. If any provision of this Addendum is held unenforceable, the remaining provisions shall remain in full force and effect.

Additional Notes or Special Instructions

Client Printed Name:

By:

Date:

Service Provider Printed Name:

By:

Date:

What a Client Change Request Addendum Is

A Client Change Request Addendum is a short amendment to an existing client agreement that records mutually agreed changes to scope, schedule, price, deliverables, or other contract terms. It attaches to the original contract, references the underlying agreement, and identifies which provisions are modified while preserving the remainder of the contract.

Why adding a formal change addendum matters

Using a written addendum clarifies obligations, reduces disputes, and creates an auditable record of consent. Properly executed addenda protect both parties by documenting when and how terms changed and by preserving dispute-resolution and payment expectations.

Who typically completes a Client Change Request Addendum

Routinely involving legal and finance reviewers improves enforceability and reduces the risk of downstream billing or performance disputes.

Project managers and account leads who need a documented, time-stamped record of scope or schedule changes.
Legal or contract administrators who must track contract amendments, approvals, and version history.
Clients or vendor representatives who must approve cost, timeline, or deliverable adjustments in writing.

Step-by-step: how to complete the addendum

Follow these sequential steps to prepare, review, and finalize a Client Change Request Addendum so it is clear, enforceable, and tracked.

01

Prepare Request: Draft change details and cite original contract sections to modify.
02

Internal Review: Obtain legal and finance approval for scope and pricing changes.
03

Send to Client: Provide the addendum with a brief cover note and required attachments.
04

Execute and Archive: Collect signatures, record execution date, and store with original contract.

Typical digital workflow settings for addenda

When automating addendum routing, configure signer order, authentication, and notification rules to match internal review and approvals.

Field	Configuration
Signer Order	Sequential or parallel routing depending on approvals
Authentication	Email link or SMS code; consider stronger ID for high-risk changes
Notifications	Reminders and overdue alerts set to business-day cadence
Storage Location	Save to contract repository or associated client folder

Where to send and how to submit the addendum

Route executed addenda to the contract owner, accounts receivable, and legal to ensure billing, performance, and contract records are updated.

Contract Owner: Primary project manager receives a signed copy for delivery updates.
Finance/AR: Accounts receivable updates invoices and payment schedules when compensation changes.
Legal / Contracts: Legal stores addendum with original agreement and tracks amendment history.
Client / Vendor: Each contracting party keeps an executed copy for their records.

Digital signing and file-format considerations

Confirm retention and export options (PDF/A, DOCX) and that the platform captures an audit trail for each signing event.

Integrations: Integrate with CRM or ERP systems such as Salesforce, NetSuite, or Microsoft 365 to sync contract updates.
File Formats: Use PDF or DOCX for fillable addenda; platforms should preserve formatting and produce a signed PDF copy.
Authentication: Support email, SMS code, or stronger verification for high-value changes.

Common timelines and processing expectations

Establish expected response and execution windows up front to avoid project delays and billing disputes.

Response Window:

Request a client response within 7–14 business days to prevent schedule impact.

Execution Deadline:

Specify a signature deadline, commonly 30 calendar days from submission.

Billing Effective Date:

State when price changes take effect to align invoicing cycles.

Implementation Lead Time:

Allow additional time for procurement or staffing changes after execution.

Record Update:

Update contract repository within 3 business days of execution.

Key milestones from request to implementation

Track milestones to monitor progress and to trigger downstream tasks such as invoicing or resource allocation.

01

Request Submitted

Change request created and sent to internal reviewers.

02

Internal Approval

Legal and finance review and approve terms or propose revisions.

03

Client Execution

Client signs the addendum and returns an executed copy.

04

Operational Rollout

Project team updates plans and billing based on executed change.

Common mistakes to avoid when preparing an addendum

Failing to reference the original agreement precisely, which can create ambiguity about what is changed.
Using vague language for scope or deliverables instead of specific, measurable descriptions of work.
Omitting signature authority or title, which can lead to challenges to validity or enforceability later.
Not synchronizing billing or milestone dates with finance systems, causing delayed invoices or disputes.

Risks and potential consequences of an incorrect addendum

Breach Claims: Increased litigation risk

Payment Delays: Billing disputes and cashflow impact

Invalid Amendment: Enforceability challenges in court

Regulatory Exposure: Sector-specific compliance risk

Operational Delay: Project timeline disruption

Reputational Harm: Client relationship damage

eSignature vendor comparison for executing addenda

Common features to evaluate include price, free trial availability, bulk send, audit trail capabilities, HIPAA support, and envelope limits.

	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 (no credit card)	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Bulk Send	Yes (Business Premium)	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes (BAA available)	Yes (BAA available)	Yes (BAA available)	Varies	Varies

Frequently asked questions about addendum execution

Answers to common questions about e-signing, notarization, authority to sign, revocation, and recordkeeping for Client Change Request Addenda.

Need help? Contact support

Can this addendum be signed electronically?
Yes. Electronic signatures are generally enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA where adopted. Ensure intent to sign, consent to electronic records, attribution, and reliable record retention to satisfy legal tests for enforceability.
When is notarization required?
Notarization is rarely required for ordinary contract amendments, but some jurisdictions or document types (real property instruments, certain statutory forms) may demand notarization. Check state recording rules and consult counsel when in doubt.
Who can sign the addendum?
An authorized signatory of each contracting party must sign. Include printed name and title to show authority; for corporations, follow internal signature authority thresholds or board approvals if required.
What if parties disagree after signing?
Disputes over scope or intent are resolved under the governing law clause in the underlying contract and the addendum. Maintain clear descriptions and an audit trail; consider mediation or dispute-resolution provisions if high-value changes are common.
How do I revoke or cancel a signed addendum?
Revocation requires mutual written agreement unless the addendum includes a unilateral termination clause. Document any cancellation with a signed amendment referencing the original addendum to avoid ambiguity.
How long should executed addenda be kept?
Retain executed addenda with the original agreement for the active term plus applicable statutory periods (IRS three-year baseline; HIPAA six years for healthcare). Confirm longer state or industry retention obligations before disposal.

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