Communications 2003 No. 19 A 335 (e) the portability of assigned numbers and electronic addresses ; (f) the requirements for network service providers and applications service providers to maintain a plan for assigning and reassigning numbers and electronic addresses ; and (g) the fees for the assignment and transfer of numbers and electronic addresses which may be determined by the Commission. (4) The Commission shall make the numbering and electronic addressing plan available to the public for a fee to be decided by the Commission. 129.—(1) The Commission may delegate any or all of its functions under this Chapter to a person it wishes. Delegation of responsibility. (2) Without prejudice to the generality of subsection (1) of this section, the Commission may appoint a specified person or organisation to manage or maintain an integrated public number database or an integrated electronic address database. (3) The Commission or a person or organisation specified under subsection (2) shall provide non-discriminatory commercial access to the database on the same terms and conditions which it offers to itself. (4) The Commission may direct a person specified under subsection (2) of this section regarding the manner in which he shall discharge his obligation under subsection (3) of this section. PART III—TECHNICAL STANDARDS 130.—(1) Subject to subsection (2) of this section, the Commission shall specify and publish to the general public, technical code and specifications in respect of communications equipment and facilities that may be used in Nigeria. (2) The technical code and specifications prepared by the Commission under this section shall include— (a) requirements for network interoperability, including the provision of certain network capabilities such as calling line identification capability and pre-selection capability ; (b) the promotion of safety of network facilities ; (c) the provision of network facilities or services, including requirements for qualified providers and installers ; (d) the provision of customer equipment and cabling, including requirements for qualified installers ; (e) the approval of customer equipment and other access devices ; and (f) the adoption of technical standards promulgated by international bodies. (3) Prior to specifying and publishing any technical code and specifications under this Act, the Commission shall first conduct an inquiry in the manner specified in Part II of Chapter V on the proposed code or specification provided that such prior inquiry may not be required in regard to technical code or specifications that are mandatorily prescribed by international organisations to which Nigeria belongs Technical code and specification.