[§201H-48] Exception of current owners in corporation projects. The corporation may allow a person who is a current owner of a dwelling unit in a multifamily housing project sponsored by the corporation to apply for the purchase of a larger dwelling unit in a project sponsored by the corporation if the applicant's current family size exceeds the permissible family size for the applicant's current dwelling unit, as determined by prevailing county building or housing codes. The applicant shall be required to sell the applicant's current dwelling unit back to the corporation. Notwithstanding any law to the contrary, any applicant, as it pertains to for-sale housing, shall be a "qualified resident" who: