Book One: Obligations · Section One: Sources of Obligation · Chapter One: The Contract · Part Four: Pillars, Validity, Options, and Types of a Contract · 3. Option of Selection
The contract shall be non-binding on the party who has the right of option until this right is exercised. If the choice is made expressly or implicitly, the contract shall become effective and binding in respect of what has been chosen.
Interpretation and application must be checked against the official text and current version.