Contract Addendum Template – US

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Updated – 2025 /2026


Notice

The information provided here serves as a general example of an addition to a contractual agreement in the United States. It is intended for illustrative purposes only and does not constitute legal advice. For specific legal guidance, consult a qualified attorney familiar with U.S. contract law. Laws and requirements may differ based on jurisdiction, and necessary adjustments should be made to ensure compliance. The use of this sample document is solely at the user’s discretion, and no liability is assumed for errors, omissions, or consequences resulting from its use without professional legal review.


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Please be advised: This is a sample Contract Addendum US template, provided for illustration purposes only. Actual terms and language may vary based on specific agreements and applicable laws.

Contract Addendum US – Sample Template

Parties Involved:

Party A: [Your Company Name]
Address: [Your Address]

Party B: [Client Name]
Address: [Client Address]

Purpose of This Addendum:

This addendum modifies and supplements the original contract dated [Original Contract Date] between the Parties, specifically addressing [briefly specify the subject, e.g., scope, terms, or obligations].

Amended or Additional Terms:

The Parties agree to incorporate the following terms into the original agreement:

  • [Specify the new or amended clause 1]
  • [Specify the new or amended clause 2]
  • [Additional relevant provisions as necessary]

This addendum shall become effective on: ________________________

________________________
[Name of Signatory for Party A]
________________________
[Name of Signatory for Party B]