Officer (hereafter referred to in this subsection as the IRS CIO ) who shall be appointed by the Administrator of the Internal Revenue Service. (2) Centralized responsibility for Internal Revenue Service information technology The Administrator of the Internal Revenue Service (and the Secretary) shall act through the IRS CIO with respect to all development, implementation, and maintenance of information technology for the Internal Revenue Service. Any reference in this subsection to the IRS CIO which directs the IRS CIO to take any action, or to assume any responsibility, shall be treated as a reference to the Administrator of the Internal Revenue Service acting through the IRS CIO. (3) General duties and responsibilities The IRS CIO shall— (A) be responsible for the development, implementation, and maintenance of information technology for the Internal Revenue Service, (B) ensure that the information technology of the Internal Revenue Service is secure and integrated, (C) maintain operational control of all information technology for the Internal Revenue Service, (D) be the principal advocate for the information technology needs of the Internal Revenue Service, and (E) consult with the Chief Procurement Officer of the Internal Revenue Service to ensure that the information technology acquired for the Internal Revenue Service is consistent with— (i) the goals and requirements specified in subparagraphs (A) through (D), and (ii) the strategic plan developed under paragraph (4). (4) Strategic plan (A) In general The IRS CIO shall develop and implement a multiyear strategic plan for the information technology needs of the Internal Revenue Service. Such plan shall— (i) include performance measurements of such technology and of the implementation of such plan, (ii) include a plan for an integrated enterprise architecture of the information technology of the Internal Revenue Service, (iii) include and take into account the resources needed to accomplish such plan, (iv) take into account planned major acquisitions of