and amusements licensed by the city, or in any business of the city, or in the purchase of any real estate or any other property belonging to the city. [1963-4 ( d ); 2270-1.] SECTION  2527 . City Not Liable for Damages . — The failure of any city officer to enforce the provisions of this chapter or any law or ordinance, or the negligence of said officers while enforcing or attempting to enforce the same, shall not cause the city t o be held liable for damages or injuries to persons or property. [1963-4  (f) .] SECTION  2528 . Additional Powers and Duties of Officers . — Every city officer shall in addition to the powers and duties in this chapter expressly imposed and granted have such further powers and perform such further duties as may be prescribed by law or or dinance. [1963-4 ( g ).] S ECTION  2529 . Conduct of Elections in Baguio . — For the effectuation of the purposes of the Election Law in the election of public officers for the city of Baguio, the duties which are by said law made incumbent upon provincial boards and municipal council s shall be performed by the city council of Baguio, and the duties imposed by said law upon provincial treasurers and municipal secretaries shall be performed by the city secretary. If any member of the city council should be a candidate for office in any  election, he shall be incompetent to act with the city council in the discharge of the duties herein conferred upon it, and in such case the other members of the council shall discharge said duties without his assistance, or they may choose some disinteres ted elector of the province to act on the council in such matters in his stead. The Mayor and Vice-Mayor SECTION  2530 . The Mayor . — There shall be a mayor who shall be a member of the city council, and who shall have the following general powers and duties: ( a ) He shall take care that the laws of the Philippine Islands, the provisions of this chapter, and the ordinances and resolutions of the city are duly observed and enforced within the jurisdiction of the city. Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 760 ARTICLE  II