(a) This section shall apply only to those parcels and areas within the City of Carlsbad for which a local coastal program has been prepared and certified by the commission pursuant to subdivision (f) of Section 30170 or Section 30171.
(b) Any provisions of any such local coastal program with respect to housing for persons and families of low or moderate income shall have no force or effect after January 1, 1982. After that date, housing requirements for those parcels and areas shall be determined pursuant to Section 65590 of the Government Code.
(c) Until such time as, (i) the City of Carlsbad adopts or enacts the implementing actions contained in any such local coastal program, or (ii) other statutory provisions provide alternately for the adoption, certification, and implementation of a local coastal program for those parcels and areas, coastal development permits for those parcels and areas shall be issued by the commission as provided in this subdivision. Notwithstanding any other provision of this division, the commission shall issue a coastal development permit if it finds that a proposed development is in conformity with the certified local coastal program, exclusive of any provisions with respect to housing for persons and families of low or moderate income which have been rendered inoperative pursuant to subdivision (b).