Zervos has argued that the Federal Reserve's monetary policy is too restrictive and backed Treasury's expanded buybacks of long-term debt.
Comptroller of the Currency Jonathan Gould said he is imposing limits on how many days examiners can spend at banks they oversee, part of the agency's ongoing push to narrow supervision.
A federal judge ruled that the Trump administration's attempt last year to halt funding for the Consumer Financial Protection Bureau was unlawful and unconstitutional. Two other judges have issued similar decisions.
There are several options for smaller banks, including working with an agent bank, according to payment experts.
The sixth bank failure this year shows that even as the industry overall is very profitable, there are pressures on a lot of banks that aren't the biggest.
Bankers have taken out ad buys against incumbent Republican Senator Roger Marshall of Kansas as he struggles to hold what has traditionally been a ruby-red Senate seat.
