Bank mergers are generally approved by the federal banking agencies and the Department of Justice. In September 2024, the Office of the Comptroller of the Currency (OCC) and the Federal Deposit Insurance Corporation (FDIC) updated the way they evaluate bank merger applications. The OCC and FDIC policy statements differ in some details, but the then-acting comptroller characterized them as "broadly consistent." (The Federal Reserve did not update its approach.) On the same day, the Department of Justice (DOJ) announced that it was withdrawing its existing bank merger guidelines from 1995 and replacing them with a new addendum to its 2023 guidelines.
Congress has maintained a general interest in bank merger policy amidst a trend of consolidation. For example, in May 2024, the House Committee on Financial Services held a subcommittee hearing on bank merger policy. H.J.Res. 92 and S.J.Res. 13 would use the Congressional Review Act to overturn the aforementioned rule and prevent the OCC from issuing substantially similar rules in the future. In March 2025, the FDIC issued a proposal to rescind its update. This In Focus provides an overview of the updated policies and recent relevant regulatory and legislative activity.
The bank merger process is based on a statutory framework that can be changed only by Congress. The recent policy statements by the OCC and FDIC are interpretations of how that framework can best be implemented. The agencies have significant discretion in how to interpret the broad statutory framework, and these policy statements were viewed as setting out a philosophy that was less likely to approve mergers involving, for example, large banks than was the case previously. Nevertheless, mergers are approved on a case-by-case basis based on the agency's interpretation of the statutory factors with or without an existing policy statement. For background on the bank merger approval process, see CRS In Focus IF11956, Bank Mergers and Acquisitions, by Marc Labonte and Andrew P. Scott.
In September 2024, the OCC finalized a rule on mergers that removed an automatic approval process for certain applications that were eligible for "expedited review." The rule eliminates current regulatory provisions under which (1) certain applications are considered automatically approved as of 15 days after the close of the comment period unless the OCC notifies the applicant and (2) certain transactions can be filed under a streamlined application form. The OCC argued that the effect on regulatory burden of both changes would be minimal and that the first change would not have a practical effect because it was not aware of any application being automatically approved under this expedited review to date.
In addition, the rule adds a policy statement explaining its merger review process. (The OCC did not previously have a policy statement on the merger review process but had provided information through publications such as the Business Combinations manual.) According to the 2024 statement, there are a number of indicators that, if met, suggest a bank merger application would be approved or denied. For example, mergers resulting in a bank with under $50 billion in assets that is also well qualified on the other merger criteria would be expected to be approved expeditiously, while acquisitions involving global systemically important banks or acquirers that have grown rapidly and made multiple acquisitions are less likely to be approved. Other attributes that would affect the speed at which proposals are approved include
In September 2024, the FDIC issued a final rule that adds a policy statement on how the FDIC interprets the statutory requirements for merger approval. The statement superseded a similar statement from 2008. The new statement mostly hews to long-standing policy but has a few notable policy changes related to the statutory factors:
In March 2025, the FDIC, under new leadership, issued a proposal to rescind the 2024 policy statement on the grounds that the 2024 statement has made the merger process "less transparent and less predictable." The proposal would, if finalized, return the FDIC to its less detailed 1998 policy statement on the merger process. (There have been statutory changes to merger requirements since 1998, and the FDIC had made subsequent technical updates to the statement, most recently in 2008.) The March 2025 proposal does not propose updates to the earlier policy but states that the FDIC expects to seek comments on a comprehensive revision of merger policy in the future.
DOJ reviews bank mergers specifically for antitrust issues. In 2023, DOJ and the Federal Trade Commission issued updated guidelines for mergers across all industries. In September 2024, DOJ issued an addendum to the 2023 framework specifically for banks, replacing its 1995 guidelines for banks. Under the 1995 guidelines, DOJ evaluated mergers primarily under a concentration metric called the Herfindahl-Hirschman Index. According to the then-Assistant Attorney General Jonathan Kanter, "The 1995 Guidelines' narrow focus on local market deposit concentration may … be inadequate to assess the likely competitive effects of a modern bank merger. It may also disproportionally focus enforcement on transactions involving small local banks and understate network concerns relating to large national and multi-national banks." The 2024 addendum emphasizes that bank mergers will be evaluated for their effect on competition across products, services, networks, platforms, and distinct groups of customers.