A. Each employer, as defined in this chapter, having an enclosed place of employment located within the city and not otherwise exempt from this chapter shall adopt, implement, make known and maintain a written smoking policy which complies with the requirements of this chapter, including but not limited to written notification of prohibited smoking areas.

B. The written smoking policy shall be communicated to all employees at least annually, and all employers shall supply a written copy of the smoking policy to all existing employees and to prospective or new employees at the time of hiring.