Effective upon adoption of a Chula Vista gaming plan that addresses the subject matter of this section, but only to the extent allowed by the Chula Vista gaming plan if more restrictive than the provisions hereof, licensed cardrooms may operate seven days a week, 24 hours per day. Until adoption of the Chula Vista gaming plan, no card table licensed under the provisions of this code which is maintained or operated in connection with any other business shall be used for any card game from 1:00 a.m. to 9:00 a.m. of any day and all places which are devoted exclusively to the operation or maintenance of a card table business shall be kept closed each day from 1:00 a.m. to 9:00 a.m; and no card table shall be used for any card game on Sunday except from midnight until 1:00 a.m. (Ord. 2655 § 1, 1995; Ord. 2528 § 1, 1992; Ord. 1305 § 2; prior code § 9.103(2)).