Texas Local Government Code - LOC GOV'T § 22.042. Powers and Duties of Mayor

(a) The mayor is the chief executive officer of the municipality. The mayor shall at all times actively ensure that the laws and ordinances of the municipality are properly carried out. The mayor shall perform the duties and exercise the powers prescribed by the governing body of the municipality.

(b) The mayor shall inspect the conduct of each subordinate municipal officer and shall cause any negligence, carelessness, or other violation of duty to be prosecuted and punished.

(c) The mayor shall give to the governing body any information, and shall recommend to the governing body any measure, that relates to improving the finances, police, health, security, cleanliness, comfort, ornament, or good government of the municipality.

(d) The mayor may administer oaths of office.

(e) In the event of a riot or unlawful assembly or to preserve the peace and good order in the municipality, the mayor may order and enforce the closing of a theater, ballroom, or other place of recreation or entertainment, or a public room or building and may order the arrest of a person who violates a state law or a municipal ordinance in the presence of the mayor.