The provisions of these regulations shall supplement any and all laws of the State of Ohio, ordinances of the City, or any and all rules and regulations promulgated by authority of such law or ordinances relating to the purpose and scope of these regulations. Whenever the requirements of these regulations are at variance with the requirements of any other lawfully adopted rules, regulations, or ordinances, the most restrictive or that imposing the highest standard shall govern. These regulations shall be interpreted as minimum requirements.