On November 3, Massachusetts voters will decide Question 8, a ballot measure that would repeal the state’s licensed adult-use cannabis market. If it passes, the vote would mark the first time voters anywhere have rolled back an existing state cannabis legalization law — and it would test something the industry has spent nearly a decade building: banking relationships inside a market that operates entirely outside federal law.

For the banks, credit unions and specialty lenders financing Massachusetts’ cannabis industry, what happens on Election Day matters less than what happened the moment it was included in the ballot — the moment it became a possibility. Some may and, perhaps, should already be modeling their exposure.

Why Banks Won’t Wait For The Election Results

Cannabis businesses already operate with one foot outside the banking system. Federally chartered banks generally won’t touch them, leaving state-chartered banks and credit unions to fill the gap under Bank Secrecy Act compliance programs that demand constant monitoring and reporting. Joseph Silvia, a former Federal Reserve lawyer who now advises financial institutions on cannabis banking at Duane Morris, says a successful repeal would move quickly from ballot question to balance sheet.

If the repeal effort succeeds, Silvia said via email, “Massachusetts state-chartered banks serving cannabis customers would likely shut down those banking services and customer accounts in line with whatever time frame is provided for by the repeal.” He added that he’d expect the same institutions to “very seriously consider shutting down similar operations outside Massachusetts and exit that line of business entirely” — meaning a single state’s policy reversal could ripple into cannabis banking programs in states with no repeal effort of their own.

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