Section 2. Upon the Passage of This Act the Mayor of the City Shall

appoint a commission of three members, to be called “Commission on Height of Buildings in the City of Boston.” The commission shall immediately upon its appointment give notice and public hearings, and shall make an order establishing the boundaries of the districts aforesaid, and, within one month after its appointment, shall cause the same to be recorded in the registry of deeds for the county of Suffolk. The boundaries so established shall continue for a period of fifteen years from the date of the said recording. Any person who is aggrieved by the said order may, within thirty days after the recording thereof, appeal to the commission for a revision; and the commission may, within six months after its appointment, revise such order, and the revision shall be recorded in the registry of deeds for the county of Suffolk, and shall date back to the original date of recording. The members of the commission shall serve until the districts have been established as aforesaid; and any vacancy in the commission caused by resignation, death or inability to act shall be filled by the mayor, on written application by the remaining members of the commission or of ten inhabitants of the city. The members of the commission shall receive such compensation as the mayor shall determine.