The powers and duties of the Mayor are as follows:
   (A)   Chief executive officer.  As the chief executive officer of the city and presiding officer of the Council, supervise all the city officers and departments, except for the supervisory duties which have been delegated to the City Manager;
(Iowa Code § 372.14(1))
   (B)   Proclamation of emergency.  Have authority to take command of the police and govern the city by proclamation, upon making a determination that a time of emergency or public danger exists. Within the city limits, the Mayor has all the powers conferred upon the Sheriff to suppress disorders;
(Iowa Code § 372.14(2))
   (C)   Special meetings.  Call special meetings of the Council when the Mayor deems the meetings necessary to the interests of the city;
(Iowa Code § 372.14(1))
   (D)   Mayor’s veto.  Sign, veto or take no action on an ordinance, amendment or resolution passed by the Council. The Mayor may veto an ordinance, amendment or resolution within 14 days after passage. The Mayor shall explain the reasons for the veto in a written message to the Council at the time of the veto;
(Iowa Code §§ 380.5, 380.6(2))
   (E)   Reports to Council.  Make oral or written reports to the Council as required. These reports shall concern municipal affairs generally, the municipal departments and recommendations suitable for Council action;
   (F)   Negotiations.  Represent the city in all negotiations properly entered into in accordance with law or ordinance. The Mayor shall not represent the city where this duty is specifically delegated to another officer by law, ordinance or Council direction;
   (G)   Contracts.  Whenever authorized by the Council, sign contracts on behalf of the city;
   (H)   Professional services.  Upon order of the Council, secure for the city specialized and professional services not already available to the city. In executing the order of the Council, the Mayor shall act in accordance with the code of ordinances and the laws of the state;
   (I)   Licenses and permits.  Sign all licenses and permits which have been granted by the Council, except those designated by law or ordinance to be issued by another municipal officer; and
   (J)   Absentee officer.  Make appropriate provision that duties of any absentee officer be carried on during his or her absence.
(1999 Code, § 15.02)