The provisions of general law regarding selection, promotion, demotion, discipline and removal of employees within the classified service of the Municipality as provided by Section 5.01 of this Charter shall be applicable under this Charter, unless such provisions conflict with the provisions of this Charter, and provided that the Civil Service Commission shall have the power to adopt rules and regulations concerning the selection, promotion, demotion, discipline and removal of employees within the classified service of the municipality, which rules and regulations may modify, supplement or supersede the laws of the State of Ohio, and in the case of conflict shall prevail over such laws.