MINORS:
Age 13 and under: All children age 13 and under must be accompanied, at all times, by a parent or guardian who is also a registered guest of Kumoricon.
Age 14 and up: All minors 14 to 17 must have permission from their parents or legal guardians to attend the convention in written form. This form will be available on line. A parent / legal guardian must be present at the convention sight from midnight to 4:00 AM. All guardians must be 18 or over and have parental permission from the minor’s parent or legal guardian.
(this is a direct cut from the rules)
in regards to staffers in the 16-17 range, please see the curfew rules
CURFEW
Portland has a city curfew in effect. It is unlawful for any minor under the age of 18 years to be in or upon any street, park or other public place between the hours specified in this Section, unless such minor is accompanied by a parent, guardian or other person 21 years of age or over and authorized by the parent or by the law to have care and custody of the minor, or unless such minor is then engaged in a school activity or lawful employment that makes it necessary to be in or upon such street, park or other public place during the hours specified in this Section. For minors under the age of 14 years who have not begun high school, the curfew is between 9:15 p.m. and 6 a.m. of the following morning, except that on any day immediately preceding a day for which no public school is scheduled in the city, the curfew is between 10:15 p.m. and 6 a.m. of the following morning. For children 14 years of age or older who have begun high school, the curfew is between 10:15 p.m. and 6:00 a.m. of the following morning, except that on any day immediately preceding a day for which no public school is scheduled in the City, the curfew is between 12 midnight and 6 a.m. of the following morning. All minor must have a legal guardian with them at times after midnight.
Kumoricon has a curfew on all convention function space at midnight. All unaccompanied minors (ages 17 and under) in Kumoricon function space after midnight will be asked to leave. Curfew time ends at 4:00 AM.
In laymen terms: once the clock hits midnight, u can mill about the halls but u cannot be inside an event if you are under the age of 18.
I hope this clears up any questions. thanks