Book One: Obligations · Section One: Sources of Obligation · Chapter One: The Contract · Part Four: Pillars, Validity, Options, and Types of a Contract · 3. Deception and Unfairness
If the deception is committed by a third party, and the person so deceived proves that the other contracting party was aware of the deception, they may request the annulment of the contract.
Interpretation and application must be checked against the official text and current version.