In granting any mortgage loan or construction mortgage loan or in insuring any construction mortgage loan provided for in § 8-82, preference shall be given in the following order: (a) To families of low and moderate income, and among such families preference shall be given to veterans of World War II; (b) to citizens dwelling in the community where the housing is located; (c) to all other persons in accordance with their needs. Applications for such mortgages shall be filed with the Commissioner of Housing, who shall, in accordance with the provisions of this section, establish the order of priority of such applications.