A supplementary agreement is a legally binding document that is used to supplement an existing contract or agreement. It is a helpful tool when parties need to make changes or add provisions to an existing agreement.

A supplementary agreement about is an agreement that is added to an existing contract or agreement to clarify certain terms or to add new provisions. Generally, this type of agreement is used when the original agreement is ambiguous or incomplete.

Here are a few things to keep in mind when drafting a supplementary agreement about:

1. Purpose: The first step in drafting a supplementary agreement about is to clearly define the purpose of the agreement. This means outlining the specific areas that need clarification or modification.

2. Clarity: The supplementary agreement should be written in clear and concise language. It should be easy for all parties to understand and should not be open to interpretation.

3. Parties involved: The supplementary agreement should clearly state the parties involved in the agreement. This includes the original parties to the contract as well as any new parties that may be added.

4. Terms and conditions: The supplementary agreement should outline the terms and conditions of the agreement. This includes any changes or additions to the original agreement, as well as any new terms that are being added.

5. Signatures: All parties involved in the supplementary agreement should sign the document. This ensures that everyone is aware of the changes or modifications being made to the original agreement.

In conclusion, a supplementary agreement about is a useful tool for clarifying or modifying an existing agreement. By keeping these key points in mind when drafting a supplementary agreement, you can ensure that all parties involved are clear on the terms and conditions of the agreement.