Versions of CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y - Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges on LawServer 2024 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges 2023 CFR > Title 47 > CHAPTER I > SUBCHAPTER B > PART 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges 2022 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges 2021 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges 2020 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges 2019 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges 2016 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-billing Requirements for Common Carriers; Billing for Unauthorized Charges 2015 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges 2014 CFR > Title 47 > Chapter I > Subchapter B > Part 64 > Subpart Y – Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges