40.2—Mandatory Reliability Standards.
        
        (a) 
         Each applicable user, owner or operator of the Bulk-Power System must comply with Commission-approved Reliability Standards developed by the Electric Reliability Organization.
    
    
        
        (b) 
         A proposed modification to a Reliability Standard proposed to become effective pursuant to  § 39.5 of this Chapter will not be effective until approved by the Commission.