(f) Service of legal process for an appeal under this section shall be directed to a proper officer and shall be made as follows:
(1) For any appeal taken before October 1, 2004, process shall be served by leaving a true and attested copy of the process with, or at the usual place of abode of, the chairman or clerk of the board, and by leaving a true and attested copy with the clerk of the municipality. Service on the chairman or clerk of the board and on the clerk of the municipality shall be for the purpose of providing legal notice of the appeal to the board and shall not thereby make the chairman or clerk of the board or the clerk of the municipality a necessary party to the appeal.
(2) For any appeal taken on or after October 1, 2004, process shall be served in accordance with subdivision (5) of subsection (b) of section 52-57. Such service shall be for the purpose of providing legal notice of the appeal to the board and shall not thereby make the clerk of the municipality or the chairman or clerk of the board a necessary party to the appeal.