4. Sustenance fishing within Indian reservations. Notwithstanding any rule or regulation promulgated adopted by the commission board or any other law of the State, the members of the Passamaquoddy Tribe and the Penobscot Nation may take fish, within the boundaries of their respective Indian reservations, for their individual sustenance subject to the limitations of subsection 6.

5. Posting. Lands or waters subject to regulation by the commission board, the Passamaquoddy Tribe or the Penobscot Nation shall must be conspicuously posted in such a manner as to provide reasonable notice to the public of the limitations on hunting, trapping, fishing or other use of such lands or waters.

6. Supervision by Commissioner of Inland Fisheries and Wildlife. The Commissioner of Inland Fisheries and Wildlife, or his successor, shall be is entitled to conduct fish and wildlife surveys within the Indian territories and on waters subject to the jurisdiction of the commission board to the same extent as he the commissioner is authorized to do so in other areas of the State. Before conducting any such survey the commissioner shall provide reasonable advance notice to the respective tribe or nation and afford it a reasonable opportunity to participate in such survey. If the commissioner, at any time, has reasonable grounds to believe that a tribal ordinance or commission regulation board rule adopted under this section, or the absence of such a tribal ordinance or commission regulation board rule, is adversely affecting or is likely to adversely affect the stock of any fish or wildlife on lands or waters outside the boundaries of land or waters subject to regulation by the commission board, the Passamaquoddy Tribe or the Penobscot Nation, he the commissioner shall inform the governing body of the tribe or nation or the commission board, as is appropriate, of his the commissioner's opinion and attempt to develop appropriate remedial standards in consultation with the tribe or nation or the commission board. If such efforts fail, he the commissioner may call a public hearing to investigate the matter further. Any such hearing shall must be conducted in a manner consistent with the laws of the State applicable to adjudicative hearings. If, after hearing, the commissioner determines that any such ordinance, or rule or regulation, or the absence of an ordinance, or rule or regulation, is causing, or there is a reasonable likelihood that it will cause, a significant depletion of fish or wildlife stocks on lands or waters outside the boundaries of lands or waters subject to regulation by the Passamaquoddy Tribe, the Penobscot Nation or the commission board, he the commissioner may adopt appropriate remedial measures including rescission of