The avoidable costs of the telephone service in uneconomic area shall be calculated in accordance with the formula as stated in Appendix 1.
The revenue forgone for the fixed telecommunications service in an uneconomic area shall be the sum of the following listed revenues as collected from the provision of telephone and other related services by the universal service providers in a single local private branch exchange network of the remote area:
1. Monthly rental revenue.
2. Phone charge revenue.
3. Installation and connection revenue.
4. Extension charges.
5. Internet connection charges.
6. Rental revenue from leased circuit or other networking equipment.
7. Internet access service revenue.
8. Other service revenue.
9. Other non-operating revenue.
The revenue forgone for a single transmission station providing universal service shall consist of relay transmission circuit revenue and a certain proportion of the following revenues derived from mobile telecommunication services provided by the universal service provider:
1. Monthly rental revenue.
2. Telecommunication charge revenue.
3. SMS revenue.
4. Other revenue.
The proportionate revenue derived from mobile telecommunication services provided by the aforementioned universal service provider shall be calculated based on the ratio of the average data transmission volume of transmission stations in the village designated in the preceding paragraph to the total data transmission volume of transmission stations nationwide, multiplied by the difference between the universal service provider’s revenue for the current year and the previous year. If the aforementioned revenue difference is negative, the revenue shall be calculated as zero.
The district in which the single local private branch exchange network serves crosses remote and non-remote areas, the universal service provider shall, in its calculations of the total net universal service costs of the telephone service in an uneconomic area, include the net universal service cost incurred by the district in which the single local private branch exchange network serves.