Section 15
SEC. 15. No inquiry shall be made, and no consideration whatever shall be given to any information, relative to the political or religious opinions or affiliations of persons examined, or to be examined, for entrance into the service, or of officers or employees in the matter of promotion: Provided, however, That disloyalty to the United States of America as the supreme authority in these Islands shall be a complete disqualification for holding office in the Philippine civil service.