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Business Offer Addendum

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BUSINESS OFFER ADDENDUM

This Business Offer Addendum (this "Addendum") is entered into as of Effective Date: by and between Offeror Name: and Recipient Name: .

WHEREAS

WHEREAS, Offeror and Recipient previously exchanged an Offer or Agreement dated (the "Original Offer");

WHEREAS, the parties desire to modify certain terms of the Original Offer as set forth herein to reflect revised commercial terms and the scope of services to be provided; and

WHEREAS, this Addendum shall supplement and amend the Original Offer, and except as expressly modified by this Addendum, all terms and conditions of the Original Offer remain in full force and effect.

NOW, THEREFORE

In consideration of the mutual covenants and promises contained herein, the parties agree as follows:

1. SCOPE OF WORK

The Offeror shall perform the additional services or deliverables described below. This description supersedes or supplements any conflicting description in the Original Offer.

2. PAYMENT TERMS

Compensation for the services and/or deliverables described in Section 1 shall be paid as follows.

If payment is not received by the due date, a late fee of of the overdue balance per month, or a flat fee of , whichever is greater, shall accrue until paid in full. Any dispute as to amounts due shall not excuse timely payment of undisputed portions.

3. TERM AND TERMINATION

This Addendum shall commence on Start Date: and shall expire on End Date: unless earlier terminated in accordance with this Section.

Either party may terminate this Addendum for convenience upon providing written notice to the other party at least days prior to the effective termination date. Either party may terminate immediately for material breach if the breaching party fails to cure such breach within thirty (30) days after receipt of written notice.

4. CONFIDENTIALITY

"Confidential Information" means non-public information disclosed by one party to the other that is designated as confidential or that reasonably should be understood to be confidential given the nature of the information and the circumstances of disclosure. The receiving party shall: (a) hold Confidential Information in strict confidence and use at least the same degree of care used to protect its own confidential information, but not less than reasonable care; (b) not disclose Confidential Information to any third party except those employees, agents, or subcontractors who need to know and who are bound by confidentiality obligations no less protective than those herein; and (c) use Confidential Information solely for the performance of obligations under the Original Offer and this Addendum. Confidential Information does not include information that is or becomes publicly available through no fault of the receiving party, is lawfully obtained from a third party without restriction, or is independently developed by the receiving party without use of the disclosing party's Confidential Information. Upon termination or written request, the receiving party shall return or destroy Confidential Information and certify such return or destruction within a commercially reasonable time.

5. GOVERNING LAW

This Addendum shall be governed by and construed in accordance with the laws of the jurisdiction specified below, without regard to conflict of law principles.

6. ENTIRE AGREEMENT

This Addendum, together with the Original Offer, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous agreements, understandings, negotiations and discussions, whether oral or written, between the parties. No amendment to this Addendum shall be effective unless in writing and signed by duly authorized representatives of both parties.

7. MISCELLANEOUS

Assignment: Neither party may assign its rights or delegate its obligations under this Addendum without the prior written consent of the other party, except that either party may assign to an affiliate or in connection with a merger, sale of substantially all assets or corporate reorganization provided the assignee assumes the assigning party's obligations in writing.

Severability: If any provision of this Addendum is held invalid or unenforceable, the remainder of this Addendum shall continue in full force and effect and the parties shall negotiate in good faith to replace the invalid or unenforceable provision with a valid, enforceable provision that achieves, to the extent possible, the parties' original intent.

Offeror:

By:

Date:

Recipient:

By:

Date:

Enter text✕

What a Business Offer Addendum Is and when it's used

A Business Offer Addendum is a concise supplemental agreement that modifies, clarifies, or extends terms of an initial offer or agreement between commercial parties. It records specific changes — such as adjusted pricing, delivery schedules, scope adjustments, or contingencies — while preserving the original contract's core terms. Addenda are commonly attached to offers, purchase orders, and letters of intent to preserve the parties' intent, prevent ambiguity, and create a clear, signed record of agreed modifications that can be enforced if disputes arise.

Why use a Business Offer Addendum

A focused addendum reduces misunderstandings by documenting discrete changes without redrafting an entire contract. It preserves the original agreement's structure while establishing a signed, dated record of alterations, which supports enforceability under ESIGN (15 U.S.C. §7001) and UETA where applicable.

Why use a Business Offer Addendum

Who typically prepares or signs this addendum

Teams that use Business Offer Addenda include procurement, sales, legal, and contract administrators who need to record targeted changes quickly and clearly.

  • Sales managers updating price or delivery terms after negotiation.
  • Procurement officers adjusting scope, quantities, or delivery windows.
  • Legal or contract teams attaching clarifying language to reduce ambiguity.

Use the addendum when a discrete change is agreed post-offer; attach it to the original offer and route for signature using the same authorization chain.

Essential parts of a professional Business Offer Addendum

A clear addendum uses standard formatting and unambiguous clauses so parties can confirm which terms change, when changes take effect, and which original provisions remain in force.

Reference

Cite the original agreement by title, date, and parties so the addendum clearly attaches to and modifies that specific document.

Purpose

State in one sentence why the addendum exists (for example: price adjustment, extended delivery, additional services, or corrected term).

Amendments

List each modified clause with exact language: show original text (optional) and the new language to avoid interpretation disputes.

Effective Date

Specify the date when the changes take effect and whether changes apply retroactively or prospectively relative to performance obligations.

Integration

Confirm how the addendum interacts with the original agreement: which sections remain unchanged and that all other terms continue in full force.

Signatures

Provide signature blocks for authorized signatories, printed names, titles, and dates; include witness or notary lines if required by law or the parties.

Information typically required in the addendum

Parties: Full legal names
Original Agreement: Title and date
Amendment Details: Specific clauses
Effective Date: MM/DD/YYYY
Signatories: Authorized names
Governing Law: State name

Step-by-step: completing and executing an addendum

Follow these steps to prepare, approve, and execute a Business Offer Addendum so it becomes an enforceable part of the agreement.

  • 01
    Draft amendment: Record precise text of changes.
  • 02
    Attach reference: Cite original agreement and date.
  • 03
    Review approvals: Obtain internal legal and finance signoff.
  • 04
    Execute: All authorized parties sign and date.

Configuring an online completion workflow

When using an eSignature platform, configure fields, authentication, and routing to mirror your internal approval sequence and legal requirements.

Field Configuration
Signature block Require signature, printed name, title, date
Authentication Email + SMS code or stronger KBA if required
Routing Sequential or parallel signer order
Retention Store signed PDF and audit trail

Digital signing and distribution considerations

Choose a platform that supports legally admissible audit trails, appropriate signer authentication, and long-term storage for the signed addendum.

  • Authentication: Email, SMS, or KBA
  • Audit Trail: IP, timestamp, actions
  • File Formats: PDF and DOCX supported

Ensure your chosen provider can produce a tamper-evident signed PDF and export an audit record that meets ESIGN/UETA evidentiary requirements.

Where to send or file the completed addendum

Route the signed addendum to the same records and recipients as the original agreement, and confirm receipt with key stakeholders and finance.

  • Counterparty: Return fully signed copy to the other party
  • Contract Repository: Upload executed PDF to document management
  • Finance: Provide copy for invoicing or payment setup
  • Legal: Retain copy for compliance and dispute defense

Typical timing and response expectations

Addenda often set or change dates; track deadlines and processing times to avoid performance gaps or statutory exposure.

Acceptance Deadline:

Date by which counterparty must sign

Effective Date:

When the amendment's obligations begin

Performance Milestones:

New delivery or service dates

Internal Review Time:

Allow 3–5 business days for legal review

Record Upload:

Upload executed copy within 1 business day

Common mistakes to avoid when preparing an addendum

  • Failing to reference the original agreement clearly, which creates ambiguity about which contract the addendum amends.
  • Using vague language (for example, 'reasonable adjustments') rather than precise deliverables, amounts, and dates.
  • Allowing an unauthorized person to sign, which can render the addendum unenforceable or lead to repudiation.
  • Neglecting to update internal systems (purchase orders, invoices, schedules) to reflect the amended terms.

Consequences of incorrect or incomplete addenda

Enforceability Risk: Ambiguous amendments may be unenforceable
Performance Liability: Missed obligations and damages
Payment Delays: Finance cannot process invoices
Regulatory Exposure: Industry compliance breaches
Tax Consequences: Incorrect reporting or withholding
Dispute Costs: Higher litigation or arbitration fees

Who can sign and bind an organization

Authorized Officer

An officer (CEO, CFO, President) typically has authority to bind the company; include title and corporate authority statement to confirm signing power and avoid later disputes.

Delegated Signatory

Procurement or contracting managers may sign under delegated authority if an internal delegation exists; attach proof of delegation or board resolution when required.

Typical eSignature vendor comparison for signing addenda

A concise feature and pricing comparison can help select a platform that supports secure signing, audit trails, and industry compliance for executing Business Offer Addenda.

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 No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No
Envelope Cap No cap 100 envelopes/user/year Varies by plan Varies by plan Varies by plan

Frequently asked questions about Business Offer Addenda

Common questions concern eSignature validity, who may sign, notarization needs, and how to keep the addendum tied to the original agreement.


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