The short answer
A transaction entry marked BMO HARRIS ACH PMT indicates an electronic Automated Clearing House debit or credit applied to your BMO Bank checking account, retaining legacy BMO Harris electronic clearing identification tokens.
Recognizing BMO Harris ACH Payment Memos
A statement debit labeled BMO HARRIS ACH PMT indicates an electronic funds withdrawal routed through the Automated Clearing House network against your checking or savings account. This entry represents a BMO Bank Automated Clearing House Payment processed by BMO Bank N.A. Even though the institution rebranded from BMO Harris Bank to BMO Bank, several institutional settlement pipes, merchant clearing networks, and corporate billing profiles still use the historical BMO Harris name in statement descriptors.
This charge occurs when you provide your bank account number and routing number to a third-party company for direct electronic payments. Typical triggers include recurring utility bills, home internet plans, gym memberships, car loan installments, or credit card balances paid from your BMO account. Many billing platforms verify and debit your account on a fixed monthly schedule, which creates this recurring ACH entry on or around the same calendar day every month.
To identify the specific company collecting the money, open the BMO Digital Banking app or website and click on the transaction line to view the expanded merchant originator ID. If you recognize the biller and the dollar amount aligns with your statement from that provider, no further action is necessary. If you do not recognize the originator or suspect an unauthorized withdrawal, contact BMO Bank customer support within 60 days to report the debit under federal Regulation E protections and place a stop payment order.
- Scheduled recurring monthly utility, internet, or mobile phone bill payment
- Automated monthly credit card balance settlement drawn by an external issuer
- Recurring consumer installment loan or student loan electronic withdrawal
Checking Originator Companies on BMO Digital Banking
The top-level descriptor on your monthly statement often truncates the name of the billing party, showing only the clearing memo. In the digital banking dashboard, clicking on the transaction expands the detail panel to reveal the corporate originator name, company identification number, and transfer reference code.
Take note of the company identification string if you plan to halt future recurring charges. Providing that specific identification number allows BMO customer service to place a precise stop payment order against that merchant without blocking other legitimate recurring withdrawals.
- Log in to bmo.com or the BMO Digital Banking app.
- Select your checking account and click on the ACH transaction row.
- Read the expanded merchant information including the corporate originator identifier.
- Contact BMO Bank customer service if you did not authorize the electronic withdrawal.
Frequently Asked Questions
Why does my BMO statement still say BMO HARRIS?
Certain electronic payment clearing codes and corporate Automated Clearing House registrations maintain legacy BMO Harris identifiers following the official name update to BMO Bank.
How do I place a stop payment on an ACH debit at BMO Bank?
Submit a stop payment order online through BMO Digital Banking or call phone support at least three business days prior to scheduled payment execution.
Part of a family
BMO HARRIS ACH PMT is one of the BMO Bank statement codes lines — see the whole family decoded.
Independent reference — not affiliated with BMO Bank. Billing names and policies change; verify with the merchant or your bank before acting.
Verified sources
Every claim on this page is checked against official sources — open them to confirm before you call your bank.
- BMO Personal Checking Disclosures and Terms https://www.bmo.com/en-us/main/personal/checking-accounts/
- FDIC BankFind Directory for BMO Bank N.A. https://banks.data.fdic.gov
Reviewed Sep 11, 2026 · high · About UnknownCharges