Define: Addendum

Addendum (noun): 1. A supplementary or additional document, text, or information that is added to the end of a main document or contract to provide further details, clarification, or updates. Example: The addendum to the lease agreement included new terms regarding the maintenance responsibilities of the tenant. 2. A section or appendix appended to a book, report, or academic paper, containing additional information, references, or supporting materials. Example: The addendum at the end of the research paper included charts, graphs, and statistical data to support the findings. 3. A formal written amendment or modification to a legal or official document, such as a will, contract, or agreement, made after its initial creation or execution. Example: The addendum to the will specified the distribution of the deceased’s personal belongings among the beneficiaries. 4. In general usage, an addendum can refer to any supplementary or additional item or piece of information that is added to an existing document or record. Example: The addendum to the employee handbook included updated policies and procedures that were implemented after its initial publication.

n. an addition to a completed written document. Most commonly this is a proposed change or explanation (such as a list of goods to be included) in a contract, or some point that has been the subject of negotiation after the contract was originally proposed by one party. Real property sales agreements often have addenda (plural of addendum) as the buyer and seller negotiate fine points (how payments will be made, what appliances will be included, date of transfer of title, the terms of financing by the seller and the like). Although often they are not, addenda should be signed separately and attached to the original agreement so that there will be no confusion as to what is included or intended. Unsigned addenda could be confused with rough drafts or unaccepted proposals or included fraudulently.