No person shall be required to obtain a marsh development permit from local government for any development on tidelands, submerged lands, or other public trust lands, whether filled or unfilled, or for any development by a public agency for which a local government permit is not otherwise required, but in such a case, a marsh development permit shall be obtained from the commission. The commission shall issue a marsh development permit pursuant to this section if the commission finds that the proposed development is consistent with either this division and the policies of the protection plan or the certified local protection program, if any.