The Telecommunications Regulatory Commission (TRC) also establishes and monitors the implementation of national telecommunications standards and ensures compliance, and is responsible for the regulation of licensees and authorization holders and for ensuring fair competition among licensees and all other operators of telecommunications networks or providers of telecommunications services. The TRC where appropriate, investigates within a reasonable period, complaints by users of their failure to obtain compensation from public suppliers or other licensees in respect of rates, billings and services provided, and to facilitate relief where necessary.