Any member of the Department, who shall, by their act or acts, tangibly and conspicuously further the cause of law enforcement in the City of Wichita by outstanding inventiveness, intelligence, diligence or devotion to duty, and who, in the performance of such act or acts shall be motivated solely by the desire to benefit the city without thought of personal gain or advantage, or who shall have completed twenty (20) years and thirty (30) years of service, as well as the commissioned officer and non-commissioned employee of the year, shall be eligible to receive and wear the Bronze Wreath of Merit, which shall be the fourth highest award bestowed by the Wichita Police Department.