SECTION 1. Section twenty-two hundred and seventy-three of the Revised Administrative Code is hereby amended to read as follows:
"SEC. 2273. Salaries of members of police force.—The salaries of the chief of police and other members of the police force shall be fixed by the municipal council.
"Except as otherwise specially provided, the annual salaries of members of the municipal police shall not exceed the amounts hereinbelow fixed:
"In municipalities of the first class: for the chief of police, two thousand pesos; for the lieutenant of police, one thousand eight hundred pesos; for the sergeant, one thousand two hundred pesos; for the corporal, nine hundred and sixty pesos; and for other members of the police force, eight hundred and forty pesos.
"In municipalities of the second class: for the chief of Police, one thousand six hundred and eighty pesos; for the Sergeant, one thousand two hundred pesos; for the corporal, hundred and sixty pesos; and for other members of police force, eight hundred and forty pesos.
"In municipalities of the third class: for the chief of police, one thousand two hundred and sixty pesos; for the corporal, nine hundred and sixty pesos; and for other members of the police force, eight hundred and forty pesos.
"In municipalities of the fourth class: for the chief of police, nine hundred and sixty pesos; and for other members of the police force, six hundred pesos.
"In municipalities of the fifth class: for the chief of police, six hundred pesos; and for other members of the police force, four hundred and eighty pesos."