It shall be unlawful for any person
to operate a public dance hall unless a current, unrevoked permit so to do has been issued
pursuant to this division; provided, however, that dance halls operating under a valid
permit issued prior to the adoption of the ordinance from which this division is derived
may continue to operate so long as:
(a) Conditions set forth in the original permit are met.
(b) There is no enlargement of the premises or other change in
conditions of operation.
(c) The permit is not revoked for reasons set forth in this division.
Any application for renewal or reinstatement of any such existing
permit shall be subject to the requirements of this division.