; and (F) shall provide holders with reasonable protection against losses caused by fraud or security breaches. (3) Reimbursement for costs (A) In general Each member bank with total consolidated assets not greater than $10,000,000,000 shall be reimbursed each calendar quarter by the relevant Federal reserve bank for actual and reasonable operational costs incurred by the member bank in offering pass-through digital dollar wallets. (B) Rulemaking The Board of Governors of the Federal Reserve System shall issue rules to carry out subparagraph (A). (4) Authority of the Board Member banks shall be subject to such rules as may be imposed by the Board of Governors of the Federal Reserve System in connection with maintaining pass-through digital dollar wallets. (d) Authority for State nonmember banks and credit unions To offer pass-Through digital dollar wallets The Federal reserve banks shall permit State banks and credit unions that are not member banks to open master accounts for the exclusive purpose of offering pass-through digital dollar wallets in compliance with the requirements of subsection (c). Each State bank or credit union electing to offer pass-through digital wallets shall be entitled to cost reimbursement in accordance with subsection (c)(3). (e) Mandate for Federal reserve banks To maintain digital dollar wallets (1) Authorization Subject to such restrictions, limitations, and regulations as may be imposed by the Board of Governors of the Federal Reserve System, each Federal reserve bank shall maintain digital dollar wallets. (2) Mandate (A) In general Not later than January 1, 2021, all Federal reserve banks shall make digital dollar wallets available to all citizens and legal permanent residents of the United States and business entities for which the principal place of business is located in the United States. (B) Exception In geographic areas where physical access to a branch of a Federal reserve bank is limited, Federal reserve banks serving such areas shall partner with United States Postal