https://bankingjournal.aba.com/2017/03/aba-raises-concerns-on-cusip-number-proposal/
ABA Raises Concerns on CUSIP Number Proposal | ABA Banking Journal
May 14, 2019 - The American Bankers Association today commented on the Municipal Securities Rulemaking Board's Rule 34-G proposal to require muni dealers to
cusip numberabaraisesconcernsproposal