"SEC. 49-A. The city health officer—His salary, powers and duties.—There shall be a city health officer who shall be under the Department of Health. He shall receive a salary of not exceeding four thousand eight hundred pesos per annum. The city health officer shall have the following general powers and duties:
"(a) He shall have general supervision over the health and sanitary conditions of the city.
"(b) He shall execute and enforce all laws, ordinance: and regulations relating to the public health.
"(c) He shall recommend to the Municipal Board the passage of such ordinance as he may deem necessary for the preservation of the public health.
"(d) He shall cause to be prosecuted all violations of sanitary laws, ordinances, or regulations.
(e) He shall make sanitary inspections and may be aided therein by such members of the police force of the city or the National Police as shall be designated as a sanitary police by the chief of police or proper National Police Officer and such sanitary inspector as may be authorized by law.
"(f) He shall keep a civil register for the city and record there all births, marriages, and deaths with their respective dates.
"(g) He shall perform such other duties, not repugnant to law or ordinance, with reference to the health and sanitation of the city as the Director of Health shall direct.
"The city health officer shall have an assistant who shall receive a salary of three thousand six hundred pesos per annum."