(i) (1) After completion of the public hearing, the commission may revise the plan and may adopt the plan or any part thereof or amendment thereto by a single resolution or may, by successive resolutions, adopt parts of the plan and amendments thereto.
(2) Any plan, section of a plan or recommendation in the plan that is not endorsed in the report of the legislative body or, in the case of a municipality for which the legislative body is a town meeting or representative town meeting, by the board of selectmen, of the municipality may only be adopted by the commission by a vote of not less than two-thirds of all the members of the commission.
(3) Upon adoption by the commission, any plan or part thereof or amendment thereto shall become effective at a time established by the commission, provided notice thereof shall be published in a newspaper having a general circulation in the municipality prior to such effective date.
(4) Not more than thirty days after adoption, any plan or part thereof or amendment thereto shall be posted on the Internet web site of the municipality, if any, and shall be filed in the office of the town clerk, except that, if it is a district plan or amendment, it shall be filed in the offices of both the district and town clerks.
(5) Not more than sixty days after adoption of the plan, the commission shall submit a copy of the plan to the Secretary of the Office of Policy and Management and shall include with such copy a description of any inconsistency between the plan adopted by the commission and the state plan of conservation and development and the reasons therefor.