[1] Eighty percent of commercial banks and credit unions in the United States use ChexSystems to screen applicants for checking and savings accounts.

A 1991 survey conducted by Consumer Action showed that ⅔ of California's largest financial institutions banned customers from opening accounts if they were listed with ChexSystems.

[citation needed] These meetings included a discussion of potential best practices which a financial institution could implement to reduce its dependence on ChexSystems data in its decision process on opening accounts.

Practices identified include: Since the meetings at the Federal Reserve Bank of San Francisco, all participating financial institutions have announced that they will implement positive changes in the way they use ChexSystems.

Best practices to address the barriers ChexSystems reports may create for low-and moderate-income individuals include: Some banks that use ChexSystems also utilize the services of Early Warning Services, LLC, a fraud prevention and consumer reporting agency owned by Bank of America, Truist, JPMorgan Chase and Wells Fargo.