If an owner of any covered section 8 housing project designed primarily for occupancy by elderly families does not give preference in occupancy to elderly families as authorized in this subchapter, then elderly families (as such term was defined in before ) shall be eligible for occupancy in such housing to the same extent that such families were eligible before .section 1437a of this titleOctober 28, 19921992-10-28October 28, 19921992-10-28