24. Two certified true copies of the notice and of the summary plan contemplated in section 23 shall be filed with the commission and, for the purposes of registration, in the record office of the registration division concerned by the decree.
Similarly, a certified true copy shall be forwarded to every municipal corporation the territory of which is affected by the decree.
The clerk or the secretary-treasurer shall post up a copy of the notice and of the summary plan at his office or, as the case may be, at the place reserved for the posting up of municipal public notices.