Education and Communications Where do you put the pins on a police uniform? Where do you put the pins on a police uniform? https://www.youtube.com/watch?v=h443O7_kf5w How do you wear a police pin? The Flag Code clearly states that military personnel, policemen, firemen and members of other patriotic organizations can wear lapel pins as part of a formal uniform. As with other situations, the pin should be worn on the left lapel of the uniform.