Regulations Governing Universal Service of Telecommunications Enterprises Article 8
The net universal service costs for voice-based telecommunication service are the avoidable costs incurred by the universal service provider in connection with the fulfillment of the service obligation less any revenues forgone.
中文原文 電信事業普及服務管理辦法第8條
語音通信普及服務淨成本，為普及服務提供者提供服務之可避免成本扣除棄置營收後之金額。