The Commission may make regulations, applying them to any part of the classified service, under which regulations all examinations for promotion therein shall be conducted and all promotions be made; but until regulations in accordance herewith have been applied to any part of the classified service promotions therein shall be made in the manner provided by the rules applicable thereto. And in any part of the classified service in which promotions are made under examination as herein provided the Commission may in special cases, if the exigencies of the service require such action, provide noncompetitive examinations for promotion.
Persons who were in the classified civil service on July 16, 1883, and persons who have been since that date or may be hereafter put into that service by the inclusion of subordinate places, clerks, and officers, under the provisions of section 6 of the act to regulate and improve the civil service of the United States, approved January 16, 1883, shall be entitled to all rights of promotion possessed by persons of the same class or grade appointed after examination under the act referred to above.
7. No question in any examination shall be so framed as to elicit information concerning the political or religious opinions or affiliations of competitors, and no discrimination in examination, certification, or appointment shall be made by the Commission, the examiners, or the appointing or nominating officer in favor of or against any applicant, competitor, or eligible because of his political or religious opinions or affiliations. The Commission, the examiners, and the appointing or nominating officer shall discountenance all disclosures of such opinions or affiliations by or concerning any applicant, competitor, or eligible; and any appointing or nominating officer who shall make inquiries concerning or in any other way attempt to ascertain the political or religious opinions or affiliations of any eligible, or who shall discriminate in favor of or against any eligible because of the eligible's political or religious opinions or affiliations, shall be dismissed from office.
8. Every applicant must state under oath—
(a) His full name.
(b) That he is a citizen of the United States.
(c) Year and place of his birth.
(d) The State, Territory, or District of which he is a bona fide resident, and the length of time he has been a resident thereof.
(e) His post-office address.
(f) His business or employment during the three years immediately preceding the date of his application, and where he has resided each of those years.