Supplemental agreements: Overview, definition, and example

What are supplemental agreements?

Supplemental agreements are additional contracts or amendments that modify, clarify, or expand the terms of an existing agreement. These agreements are typically used to address new circumstances, make adjustments, or include additional provisions without replacing the original contract. Supplemental agreements must be consistent with the original agreement and are often considered part of the overall contractual relationship.

For example, a supplemental agreement to a service contract might extend the duration of the agreement or add new services to be performed by the provider.

Why are supplemental agreements important?

Supplemental agreements are important because they provide a formal, legally binding mechanism for updating or modifying an existing agreement without the need to renegotiate the entire contract. For SMBs, these agreements offer flexibility to adapt to changing circumstances, address unforeseen issues, or expand the scope of the relationship with a partner or vendor.

By clearly documenting changes, supplemental agreements help prevent misunderstandings, ensure mutual consent, and maintain the enforceability of the original contract while accommodating new terms.

Understanding supplemental agreements through an example

Imagine an SMB has a vendor agreement for IT support services that is set to expire in six months. The parties decide to extend the agreement for another year and add cybersecurity monitoring services. Instead of drafting a new contract, they execute a supplemental agreement that extends the term and includes the new service, while keeping the original terms intact.

In another scenario, a real estate lease includes a supplemental agreement to permit a tenant to sublease a portion of the property. The supplemental agreement outlines the terms of the sublease, ensuring compliance with the original lease while addressing the tenant’s needs.

An example of a supplemental agreement clause

Here’s how a supplemental agreement clause might appear in a contract:

“The Parties may enter into supplemental agreements to modify or expand the terms of this Agreement. Any such supplemental agreement shall be in writing, signed by both Parties, and shall form an integral part of this Agreement. In the event of any inconsistency between the terms of the supplemental agreement and this Agreement, the terms of the supplemental agreement shall prevail to the extent of the inconsistency.”

Conclusion

Supplemental agreements provide a flexible and efficient way to modify or expand existing contracts without renegotiating the entire agreement. For SMBs, they offer a practical solution for adapting to new circumstances or requirements while maintaining the integrity of the original contract. A well-drafted supplemental agreement ensures mutual consent, clarity, and enforceability, fostering smoother and more adaptable business relationships.


This article contains general legal information and does not contain legal advice. Cobrief is not a law firm or a substitute for an attorney or law firm. The law is complex and changes often. For legal advice, please ask a lawyer.