Postal Complaints and Rate and Service Inquiries (US Postal Regulatory Commission Regulation) (PRC) (2018 Edition) The Law Library presents the complete text of the Postal Complaints and Rate and Service Inquiries (US Postal Regulatory Commission Regulation) (PRC) (2018 Edition). Updated as of May 29, 2018 The Commission is adopting a final rule on procedures for certain postal complaints and rate and service inquiries. Their adoption is consistent with Commission obligations under a recent change in law. This book contains: - The complete text of the Postal Complaints and Rate and Service Inquiries (US Postal Regulatory Commission Regulation) (PRC) (2018 Edition) - A table of contents with the page number of each section