supplementary agreement

USAGE SUMMARY

The phrase "supplementary agreement" is correct and can be used in written English.
It is usually used when two or more parties are looking to modify or expand an existing agreement. For example, "The two companies signed a supplementary agreement to include new terms and conditions in their contract."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

8 human-written examples

A supplementary agreement signed today talks of Cuba, whose reserves of hard currency are limited, exporting vaccines and sugar technology to Venezuela, along with doctors and up to 3,000 physical education teachers and sports coaches and trainers, who might be unemployed if they remained in Cuba.

The New York Times

The supplementary agreement in regard to naval or coaling stations signed between the two Governments on July 2, 1903, also shall continue in effect in the same form and on the same conditions with respect to the naval station at Guantanamo.

Yale University

The tasks and procedures of the two EEA bodies European Surveillance Authority and EFTA Court, which are used for monitoring and dispute resolution, are explained by commenting on the EEA Regulations and the supplementary agreement concluded between Norway, Iceland and Liechtenstein.

Stanford University

Instead, the EU will have to decide whether to pursue its proposals, originally concocted to persuade Trump to stay in the deal, to negotiate a supplementary agreement with Iran covering its ballistic missile program, its foreign policy interventionism in the Middle East and the controversial sunset clauses in the deal.

The Guardian

The question of digital DNA arose throughout years of negotiations leading up to the Nagoya Protocol, a supplementary agreement to the broader United Nations Convention on Biological Diversity (CBD).

Science Magazine

The rights, privileges, and obligations of the foreign forces and their members stationed in Germany were then based on the Bonn forces convention, the forerunner of the North Atlantic Treaty Organization Status of Forces Agreement (NATO SOFA) and the supplementary agreement that followed.

Wikipedia

Human-verified similar examples from authoritative sources

Similar Expressions

52 human-written examples

For ease of use, the otherwise not easily accessible annexes and protocols, where relevant, and the supplementary agreements are printed.

Stanford University

The original agreement adopted in 1875 applied only to letter mail; other postal services, such as parcel post and international money orders, have been regulated by supplementary agreements that are binding only on signing members.

Encyclopedia Britannica

European diplomats have been meeting with their U.S. counterparts to try to negotiate supplementary agreements to address Trump's concerns, including the absence of mechanisms to address Iran's missile programs and its support for militant groups in the Middle East.

Los Angeles Times

The letter said: "I have decided under clause 5.6 of the supplementary funding agreement for the academy to give written notice of the Secretary of State's intention to terminate that agreement".

BBC

Wells Fargo alleged that Koger had violated the contractual terms of his Supplementary Training Agreement for a Financial Consultant and sought $25,000 in compensatory damages, interest, attorneys' fee, and costs.

Forbes

Expert writing Tips

Best practice

When drafting a "supplementary agreement", clearly reference the original agreement it amends to avoid ambiguity. Specify the exact clauses or sections being modified.

Common error

Avoid vaguely referring to the original agreement. Always provide precise references like document names, dates, and specific sections to ensure clarity and prevent disputes.

Linguistic Context

The phrase "supplementary agreement" functions as a noun phrase, typically serving as the subject or object of a sentence. It denotes a formal addition or modification to an existing agreement, as shown in Ludwig's examples.

Expression frequency: Uncommon

Frequent in

News & Media

37%

Academia

33%

Science

29%

Less common in

Encyclopedias

0%

Wiki

0%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "supplementary agreement" is a grammatically sound term used to describe an addition or modification to an existing agreement. Ludwig AI confirms its correctness and suggests its use in formal contexts such as legal documents, business contracts, and academic papers. While the phrase itself is not extremely common, its meaning is clear and its usage is well-supported by authoritative sources like The New York Times, The Guardian, and Nature. When using this phrase, ensure you clearly reference the original agreement to avoid any ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

additional accord

Focuses on the additive nature of the agreement.

amendment to the agreement

Specifies a formal alteration of the original agreement.

addendum to the contract

Highlights the addition of clauses to a formal contract.

side agreement

Implies a separate agreement related to the main one.

protocol to the treaty

Denotes an addition to a formal treaty between nations.

contractual rider

Refers to an attachment that modifies the main contract.

letter of understanding

Suggests a preliminary agreement clarifying terms.

memorandum of agreement

Indicates a formal record of an agreement.

interim agreement

Highlights the temporary or provisional nature of the agreement.

ancillary agreement

Emphasizes the supporting role of the agreement to the primary one.

FAQs

How is a "supplementary agreement" used in legal documents?

A "supplementary agreement" is used to modify, clarify, or add terms to an existing contract or treaty. It becomes a legally binding part of the original document once properly executed.

What's the difference between a "supplementary agreement" and an amendment?

While both modify an existing agreement, a "supplementary agreement" often adds new clauses or details without directly altering the original text, whereas an "amendment" typically changes specific sections of the original document.

What are some alternatives to saying "supplementary agreement"?

You can use alternatives such as "additional accord", "addendum", or "side agreement" depending on the context.

When should I use a "supplementary agreement" instead of rewriting the entire contract?

Use a "supplementary agreement" when only specific parts of the original contract need to be updated or clarified. Rewriting the entire contract may be necessary if there are extensive changes or a complete overhaul is required.