Book One: Obligations · Section One: Sources of Obligation · Chapter One: The Contract · Part Four: Pillars, Validity, Options, and Types of a Contract · 1. The Valid Contract
A valid contract is a contract that is lawful in its essence and attributes, issued by a person having capacity, related to a subject matter capable of being governed thereby, has an existing, valid, and lawful purpose, and its attributes are valid.
Interpretation and application must be checked against the official text and current version.