Telecom Regulatory Authority Of India - Subsection
Section 2(as) in Telecom Commercial Communications Customer Preference Regulations, 2018
(as)"Preference Register" means a Distributed Ledger for Preference (DL-Preference) which keeps records of preference(s) of customers about category of content, mode(s) of communication, time band(s), type of day(s) along with the details of customer who has exercised choices of preference(s), day and time such choices or changes in choices were exercised in a safe and secure manner;
