Section 4
SEC. 4. Section twenty-two hundred and ninety-nine of the Revised Administrative Code is hereby amended to read as follows: "SEC. 2299. General limitation upon amount expendable for salaries and wages.-Except as hereinbelow provided there shall not be expended during any fiscal year for salaries and wages of municipal officials and employees of every description, excluding those employed on public works, in municipalities of the first class-A more than fifty per centum, in municipalities of the first class-B more than fifty-five per centum, in municipalities of the first class more than sixty per centum, in municipalities of the second class more than sixty-five per centum, in municipalities of the third class more than seventy per centum, in municipalities of the fourth class more than eighty per centum, of the annual revenues accruing to the municipal general funds during said fiscal year, exclusive of all balances carried forward from preceding years, and any and all appropriations, loans, or gifts made from national, provincial, or private funds. "With the approval of the Secretary of Finance the provincial board may authorize any municipality of the province, for justifiable cause, to exceed the foregoing percentages under such limitations as may be prescribed by resolution of said board."