The certification mark, as intended to be used by authorized persons, is intended to certify that the services are provided by journeymen who have completed an examination designed to test their working knowledge of plumbing and related topics through having completed a union apprenticeship or equivalent program, a course of instruction in the field of plumbing or having worked in the industry for at least five years.
The mark consists of the words UA STAR CERTIFICATION SUPERIORITY IN PLUMBING encircling a five point star within a circle the left half of which is striped.