The announcement, signed by NBTC chairman Sukit Khamasundara, stipulated that mobile phone services outside promotional rates must not exceed the following rates:
- Voice services: Bt1.6 per minute
- Short message service (SMS): Bt2.5 per message
- Multimedia messaging service (MMS): Bt4.5 per message
- Mobile Internet: Bt0.9 per megabyte
The above rates however do not include value added tax.
The announcement takes effect retroactively on November 25. Operators who have set fees outside promotional rates at higher than the rate stipulated in this announcement prior to the date of effect may continue using their rates until contracts expire, but must not exceed 270 days from the effective date.