Section 4
SEC. 4. With the approval of the President of the Philippines, the retired age for admission to the public elementary schools may be raised to not more than nine years and the length of time required for the completion of the elementary instruction comprising both the primary and intermediate courses reduced to not less than five years .Any increase that may be approved in accordance with this section regarding the minimum age of school children shall not affect those already enrolled before the school year 1940-1941.