(1) Except as is hereinafter provided, all such notaries shall collect fees for their services as notaries performed in connection with such agency, board, commission or department at the rates provided for under chapter 117; provided, however, that in any case wherein a certain fee shall be provided by law for such service then in that event such fee as provided by law shall be collected.
(2) No notary fee shall be charged or collected by such notaries in connection with such agency, board, commission or department, in connection with or incidental to the issuance of motor vehicle license tags or titles.
(3) No notary public fees shall be charged by such notaries for notarizing loyalty oaths which are required by law.
(4) The chief administrative officer of any such agency, board, commission or department may, upon determining that such service should be performed as a public service, authorize such service to be performed free of charge.