For the purposes of this chapter, the following definitions shall apply:

    "Knowingly" means, after being previously advised by an officer of the Grass Valley police department, a parent or guardian having custody or care of the minor allows the minor to become a repeat juvenile offender as defined herein.

    "Minor" means any person who has not yet attained the age of eighteen years as further defined in the California Family Code Section 6500.

    "Repeat juvenile offender" means any minor who is cited and found responsible for three or more violations of the Grass Valley Municipal Code, specifically sections: Section 9.12.010 trespassing, Section 9.14.040 unlawful presence, Section 10.64.030 skateboarding, Section 12.16.010 obstructing a public way, Section 12.32.050 improper conduct in a park or recreational area, Section 12.32.055 violation of special regulations pertaining to Elisabeth Daniels Park, and Section 12.32.070 entry into a public park or recreation center after dark without a permit, during any consecutive twelve-month period.

    "Reasonable effort" means the exertion of effort demonstrated by action or conduct by the parent or guardian which a reasonable person would find to be sufficient to curtail the illegal activity of the minor. (Ord. 536 § 1 (part), 1996)