The Cooperative shall not as to rates, charges, service, facilities, rules, regulations or in any other respect, make or grant any preference or advantage to any corporation or person or subject any corporation or person to any prejudice or disadvantage, provided that nothing in this grant shall be taken to prohibit the establishment from time to time of a graduated scale of charges and classified rate schedules to which any customer coming within an established classification would be entitled.
(Ord. 276 Art. III §2, 1990)