(1) Every provider of telecommunications billing services shall perform his or her duty to pay attention as a good manager so that telecommunications billing services may be provided in a safe manner. <Amended on May 28, 2014>
(2) Every provider of telecommunications billing services shall take administrative measures, including formulation of guidelines for work process and classification of accounts, and technical measures, including establishment of an information security system, to secure safety and reliability of transactions through telecommunications billing services, as prescribed by Presidential Decree.[This Article Added on Dec. 21, 2007][Previous Article 57 moved to Article 66 <Dec. 21, 2007>]