(l) Where by reason of the financing plan a review of the application for financing the proposed housing is required by or on behalf of any department, agency or instrumentality of the United States of America or this state, to provide, contract or arrange for consolidated processing of any such application to avoid duplication thereof by either undertaking the processing in whole or in part for any such department, agency or instrumentality or, in the alternative, delegating the processing in whole or in part to any such department, agency or instrumentality;
(m) To participate with any department, agency or instrumentality of the United States or the state or with any lending institution in the making of mortgage loans to low and moderate income families and persons, which mortgage loans are secured by a single participation mortgage or by separate mortgages, the interest of each mortgagee having equal priority as to lien in proportion to the amount of the loan so secured, but not necessarily equal as to interest rate, time or rate of amortization or otherwise;