(1) This part shall be in addition and supplemental to any other law providing for the financing of sewage treatment works of local governments, and shall not be deemed to amend or repeal any other law.
(2) No proceedings by a local government shall be required for loan agreements hereunder except such as are provided by this part, notwithstanding any law to the contrary.
(3) No requirements or restraints applicable to borrowing by local governments contained in any other law shall be applicable to loans under this part.