10.62.090   Existing adult businesses.
   (a)   Any adult business lawfully operating on the effective date of this chapter in violation hereof shall be deemed a nonconforming use.
   (b)   Any adult business lawfully operating on the effective date of this chapter which becomes nonconforming due to the development standards enumerated in Section 10.62.030 shall cease operation, or otherwise be brought into full compliance with the development standards of this chapter, not later than one year following the effective date of this chapter.
   (c)   Any adult business lawfully operating on the effective date of this chapter which becomes nonconforming due to either the location and distance requirements enumerated in Section 10.62.020 or the permitted zoning classifications enumerated in Section 10.62.040 shall cease operation, or otherwise be brought into full compliance with these criteria, not later than twenty years following the effective date of this chapter.
   (d)   An adult business lawfully operating as a conforming use is not rendered a nonconforming use by the subsequent establishment of property used for residential purposes or within a residential zone, within two hundred and fifty feet of the adult business, or the subsequent location of a school, public park, public library, church, temple or otherplace used exclusively for religious worship, within five hundred feet of the adult business, if the adult business has not been discontinued, which means that interruptions in use cannot exceed six months in duration. (Ord. 736 § 1 (part), 1996)