Electronic and Postal Communication (Licensing) G.N. No. 430 (contd) (5) Notwithstanding the financial requirements, the licensee shall be required to submit a reconciliation statement of regulatory fee obligations and settlement as at the date of statement of financial position which shall be reconciled to the audited financial statements. (6) Without prejudice to the preceding provisions, the Authority may require the licensee to submit other accounting information or clarifications it may require in order to effectively supervise and enforce the terms of the licence. (7) The licensee shall provide such information as provided for under sub regulation (4) within a reasonable period as may be specified by the Authority. Provision of services 29.-(1) A licensee shall be required to provide services within a maximum period of twelve months from the date of issuance of the licence. (2) Where a licensee fails to provide services extension to provide within the period specified in sub-regulation (1), he shall be required to submit to the Authority reasons for failure to provide services and the Authority may consider extension of the period to [provide services for a maximum period of twelve months. (3) Where a licensee fails to provide services after the expiry of extended period, the Authority shall revoke the licence. (4) A licensee shall provide services in accordance with the applicable recommendations of the International Telecommunication Union, other international standardisation bodies and any other relevant laws or Regulations applicable in Tanzania. Network or system modification 30.-(1) A licensee shall inform the Authority in advance of any substantive change or modification of the licensed network or system which may result in a substantial service interruption. (2) A licensee shall ensure that any substantive change does not interfere with other existing communication networks or systems. 197