In any district with which is combined an "FP" district, the regulations of this article shall apply in addition to those hereinbefore specified for such districts, provided that if conflict in regulations occurs the regulations of this article shall govern.

(a)

Crop and tree farming and truck gardening, and buildings and structures directly related to the permitted agricultural use of the land may be permitted without requirement for a use permit.

(b)

Other uses and structures otherwise permitted in the district may be permitted only upon the securing of a use permit in each particular case and shall comply with the City of Colusa Floodplain Management Ordinance No. 401.