An Affidavit of Understanding & Addendum to Purchase Agreement is a legal document that outlines any additional terms and conditions agreed upon by the purchaser and seller of a property. This document is used to supplement the original purchase agreement and serves as evidence of the understanding between both parties. It typically includes details such as the description of the property, the purchase price, the terms of payment, the closing date, and any special conditions that are agreed upon. The types of Affidavit of Understanding & Addendum to Purchase Agreement can vary depending on the nature of the agreement. Common types include a General Affidavit of Understanding & Addendum to Purchase Agreement, which outlines the general terms of the agreement, and a Special Affidavit of Understanding & Addendum to Purchase Agreement, which outlines specific terms that are in addition to the general terms of the agreement. Both types are legally binding and must be signed by both parties in order to be valid.