Section 2
SEC. 2. Section two of the said Act, as amended by Act Numbered Thirty-six hundred and twenty-nine, is hereby further amended to read as follows: "SEC. 2. For the purpose of determining the amount of annuity which a retired employee shall receive, the following classifications and rates shall be established upon the basis of the annuity consisting of a fractional part of the average pay, salary or compensation, for the three years of service rendered prior to the granting of the pension with maximum average pay, salary, or compensation in no case exceeding six thousand pesos per annum: Provided, That all teachers, principals, supervisors, inspectors, superintendents and others who are now included in the provisions of Act Numbered Three thousand and fifty, as amended by Acts Numbered Thirty-one hundred, Thirty-four hundred and fifty-four, Thirty-six hundred and twenty-nine, Thirty-seven hundred and sixty-nine, and Thirty-seven hundred and seventy-three, who are in the government service on January first, nineteen hundred and thirty-three, may be retired upon completion of twenty or more years of service, on we basis of their average salary for the last three years of service prior to retirement, which shall in no case be less than their average salary for the three years immediately preceding nineteen hundred and thirty-three nor be more than six thousand pesos per annum, on the condition that the persons specified above shall contribute to the teachers pension fund a sum equal to three per centum of their basic salaries which shall in no case be less than three per centum of their basic salaries as of December, nineteen hundred and thirty-two, until such a time as they are retired from the service. The annual annuity as computed under this Act shall be four-tenths of the average salary for twenty years of service; live-tenths of the average salary for twenty-three years of service; six-tenths of the average salary for twenty-six years of service; seven-tenths of the average salary for twenty-nine years of service; eight-tenths of the average salary for thirty-two or more years of service."