Hawaii Revised Statutes Division 1. Government § 342H-42

On or after January 1, 1992, no person shall manufacture, distribute, sell, or expose for sale in this State any plastic bottle or rigid plastic container unless the product has a label indicating the plastic resin used to produce the plastic bottle or rigid plastic container. The label shall consist of a number placed within a triangle of arrows and letters placed below the triangle. The triangle shall be equilateral, formed by three arrows curved at their midpoints and depicting a clockwise path around the code number. The numbers and letters used shall be as follows: