SECTION 1. Section eighteen, paragraph two of subsection (I), of the Municipal Code, as amended by Act Numbered Nine hundred and ninety-nine, is hereby further amended to read as follows:
"The municipal treasurer shall be appointed by the provincial " treasurer, subject to the approval of the provincial board and upon the nomination of the municipal council, which nomination shall be made from a list of eligibles in accordance with the Civil Service Law and rules. The municipal treasurer may be removed from office by the provincial board for cause. Each municipal treasurer shall render a monthly account, accompanied by vouchers covering all his transactions, to the treasurer of his province and shall submit to the Insular Auditor such reports as that officer may require of Continuation in of him: Provided, That all municipal treasurers holding office on the date of the passage of this Act; shall continue to discharge the duties of their respective offices until a new appointment" is made in accordance with the provisions of this Act: And provided further, That the position of municipal treasurer shall be classified and subject to all the provisions of the Civil Service Act and rules."