SECTION 1. Section one of Act Numbered Twenty-nine hundred and fifty-seven is hereby amended to read as follows:
"SECTION 1. A board is hereby created which shall be known as the Board on Text-books and shall have charge of the selection and approval of text-books to be used in all colleges and schools of the Government. The use of the text-books selected and approved in accordance with the provisions hereof shall be obligatory for a period of at least five years from and after the date of their adoption, unless the Board on Text-books shall, for some reason, resolve otherwise."