; and (vi) taking suitability actions. (B) To issue regulations, guidance, and standards to fulfill the Director's responsibilities related to suitability and fitness under Executive Order 13488 of January 16, 2009, as amended. (C) To promote reciprocal recognition of suitability or fitness determinations among the agencies, including acting as the final authority to arbitrate and resolve disputes among the agencies involving the reciprocity of investigations and adjudications of suitability and fitness. (D) To continue to initially approve, and periodically review for renewal, agencies' requests to administer polygraphs in connection with appointment in the competitive service, in consultation with the Security Executive Agent as appropriate. (E) To make a continuing review of agency programs for suitability and fitness vetting to determine whether they are being implemented according to this section. (F) Shall, pursuant to section 1104 of title 5, United States Code, prescribe performance standards and a system of oversight for any suitability or fitness function delegated by the Director to the head of another agency, including uniform and consistent policies and procedures to ensure the effective, efficient, timely, and secure completion of delegated functions. (3) Guidelines and instructions The Suitability Executive Agent may issue guidelines and instructions to the heads of agencies to promote appropriate uniformity, centralization, efficiency, effectiveness, reciprocity, timeliness, and security in processes relating to determining suitability or fitness. (c) Credentialing Executive Agent (1) In general In addition to serving as the Suitability Executive Agent, the Director of the Office of Personnel Management shall also serve as the Credentialing Executive Agent. (2) Duties The duties of the Credentialing Executive Agent are as follows: (A) To develop standards for investigations, reinvestigations, and continuous vetting for a covered individual's eligibility for a PIV credential. (B) To develop