It shall be 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
set forth:
GUARDIAN
A person who has qualified as a guardian of the underage person pursuant
to testamentary or court appointment.
RELATIVE
The underage person's grandparent, aunt or uncle, sibling or any
other person related by blood or affinity.