An Addendum To Purchase Agreement is commonly used when parties need to modify terms of an existing purchase agreement without voiding the original contract. This document is particularly relevant when circumstances change after the original agreement's execution, such as price adjustments, delivery modifications, or specification changes. Under U.S. contract law, the addendum must be signed by all original parties and clearly reference the original agreement. It's essential for maintaining legal compliance while providing flexibility to adapt to changing circumstances. The addendum typically includes specific modifications, their effective date, and confirmation that all other original terms remain valid.
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1. Parties: Identifies all parties to the original agreement and confirms they are the same parties to this addendum
2. Background: References the original agreement including date and purpose, and explains why this addendum is necessary
3. Definitions: Defines any new terms introduced in the addendum and confirms all definitions from original agreement apply unless modified
4. Modifications: Clearly states which sections of the original agreement are being modified, removed, or added
5. Effect on Original Agreement: Confirms all other terms of original agreement remain in full force and effect
6. Execution: Signature blocks for all parties
1. Price Adjustments: Used when purchase price or payment terms need modification to specify changes to original pricing structure
2. Timeline Changes: Used when original timeframes need adjustment to specify modifications to delivery or performance schedules
3. Additional Terms: Used when adding completely new provisions not covered in original agreement
4. Representations and Warranties: Used when warranty terms need adjustment to specify additional or modified warranties
1. Schedule A - Revised Pricing: Details of modified pricing structure or payment terms
2. Schedule B - Modified Delivery Schedule: Updated timeline for deliverables or performance
3. Schedule C - Additional Specifications: New or modified product/service specifications
4. Exhibit 1 - Original Agreement: Copy of the original purchase agreement being modified
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