The regulations set forth in this chapter shall apply to all zones with which are combined the FP-2 zone, in addition to the regulations specified in this title; provided, however, if any of the regulations specified in this chapter differ from any of the corresponding regulations specified in this title for any zone with which the FP-2 zone is combined, then in such cases the provisions of this chapter shall prevail.
(`78 Code, § 17.56.020.)