Which clause indicates how modifications to the contract must be made?

The correct response is indicative of how modifications to the contract must be properly executed to ensure that they are enforceable and clear. The written agreement clause emphasizes the necessity for any alterations to the original contract to be documented in writing. This requirement helps to prevent misunderstandings and disputes regarding the terms of the contract, ensuring that all parties have a clear and shared understanding of any changes made.

In many legal contexts, verbal agreements or informal modifications may not be recognized unless explicitly stated in such a clause. By asserting that modifications must be made in writing, this clause adds a layer of protection and clarity for all parties involved, reinforcing the importance of documentation in contractual relationships.

Other options may refer to components of contract law, such as specific types of agreements or provisions regarding how alterations should be addressed, but do not encapsulate the essence of requiring written documentation for modifications as effectively as the written agreement clause.