Book Three: Original Real Rights (in Rem) · Section One: Right of Ownership · Chapter One: General Provisions · Part One: Scope and Means of Protection of the Right of Ownership
1. The owner of a thing shall own all that is considered among its essential elements, which cannot be separated from it without perishing, deterioration, or alteration.
2. Whoever owns land shall own what is above it and beneath it to the extent useful for enjoyment, in height and depth, unless a provision of law or an agreement provides otherwise.
Interpretation and application must be checked against the official text and current version.