Implementing Regulations of the Telecommunications and Information Technology Law

CST shall prepare and update the National Numbering Plan, and shall, upon preparing this plan, observe the following: 1. Duties and responsibilities of CST and its licensees; 2. Numbering structures for services; 3. Communication procedures; 4. Management and implementation of the National Numbering Plan; 5. Expected demand for telecommunications services to prevent delays in numbers allocation; 6. Numbers shall not cause inconvenience or disturb to users; 7. The Plan shall be consistent with the optimal usage of a service provider; 8. The Plan shall be suitable for number portability and pre-selection; 9. Numbering fee shall be appropriate; 10. Numbers allocation shall not lead to additional advantages for one service provider over another; 11. The Plan shall comply with the provisions of international numbering agreements and laws; 12. Any other provisions that CST deems appropriate.