A body piercer may not perform body piercing on a minor unless the individual obtains the prior written consent of the minor's parent or legal guardian. The prohibition contained in this section does not apply if:
1. Proper identification. The body piercer has been furnished with proper identification showing that the individual is 18 years of age or older; and
2. Age. The body piercer reasonably believes such a minor to be 18 years of age or older.