The mayor shall be recognized as the official head of the city or village by the courts for the purpose of serving civil process and by the governor for all legal purposes.
The mayor of any city or village which adopts this Article 6 shall have veto power as provided in Sections 6-4-2 through 6-4-4 and ordinances or measures may be passed over his veto as therein provided. Such mayor shall have the power to vote as provided in Section 6-4-5.
If any other act or any article of this Code other than Article 3 or Article 4 provides for the appointment of a board, commission or other agency by the mayor and the corporate authorities establish such board, commission or agency, such appointments shall be made in manner so provided.
65 ILCS 5/6-4-1