; (B) establishing a safe harbor for a provider of voice service from liability for unintended or inadvertent blocking of calls or for the unintended or inadvertent misidentification of the level of trust for individual calls based, in whole or in part, on information provided by the call authentication framework under subsection (b); and (C) establishing a process to permit a calling party adversely affected by the information provided by the call authentication framework under subsection (b) to verify the authenticity of the calling party's calls. (2) Considerations In establishing the safe harbor under paragraph (1), the Federal Communications Commission shall consider limiting the liability of a provider based on the extent to which the provider— (A) blocks or identifies calls based, in whole or in part, on the information provided by the call authentication framework under subsection (b); (B) implemented procedures based, in whole or in part, on the information provided by the call authentication framework under subsection (b); and (C) used reasonable care. (d) Rule of construction Nothing in this section shall preclude the Federal Communications Commission from initiating a rulemaking pursuant to its existing statutory authority. 4. Protections from spoofed calls (a) In general Not later than 1 year after the date of enactment of this Act, and consistent with the call authentication framework under section 3, the Federal Communications Commission shall initiate a rulemaking to help protect a subscriber from receiving unwanted calls or text messages from a caller using an unauthenticated number. (b) Considerations In promulgating rules under subsection (a), the Federal Communications Commission shall consider— (1) the Government Accountability Office report on combating the fraudulent provision of misleading or inaccurate caller identification required by section 503(c) of division P of the Consolidated Appropriations Act 2018 ( Public Law 115–141 )