It is hereby unlawful for any person under the legal age to,
without legal authority, knowingly possess or knowingly consume an
alcoholic beverage on private property.
As used in this article, the following terms shall have the
meanings indicated:
GUARDIAN
A person who has qualified as a guardian of the underage
person pursuant to a testamentary or court appointment.
RELATIVE
The underage person's grandparent, aunt or uncle, sibling,
or any other person related by blood or affinity.