Requisites for Rescission:
1. Valid Agreement: The contract must be legally enforceable from the beginning
2. Lesion or Pecuniary Damage: One party must have suffered financial loss due to the contract
3. Legal Basis for Rescission: The reason for rescission must be specifically allowed by law
4. No Other Remedy: Rescission should be the only option to compensate for the damage
5. Ability to Return Received Benefits: The party seeking rescission must be able to return everything they received under the contract