Most people call their bank first, get told "we can't remove merchant holds," and give up. The order is wrong. The merchant opens the door; the bank walks through it. Here's the sequence that works.

Before you dial

Confirm three things: the amount is still pending (a posted charge needs a refund or dispute, not a release); the merchant's normal finalization point has passed (you've checked out / returned the car / cancelled); and you have the date, amount and merchant name exactly as your app shows them.

Call 1: the merchant (they control the release)

Ask for accounting or the payments desk, not front-line service. Then:

"You're holding an authorization of [amount] from [date] on my card. The transaction is complete/cancelled. Please send an authorization release (a reversal) to the card network, not just a void in your system, and email me confirmation with the date and amount."

Why the phrasing matters: an internal "void" or "cancellation" often never generates a network message, and then the hold sits until it expires. "Authorization release/reversal" names the exact thing their payment terminal or gateway can do. Card network rules already require them to reverse unused authorizations within 24 hours of knowing the sale won't complete. You're asking for what the rules assume.

Call 2: your bank (they hold the money)

With the merchant's confirmation (or at least a name, time, and reference from Call 1):

"The merchant confirmed on [date] that they released the authorization of [amount] from [date]. Please remove the hold manually. I can do a three-way call with the merchant if you need direct confirmation."

Most issuers can remove a hold once the merchant verifies release, many hotel and rental desks do these three-way calls daily. If the agent says it's impossible, ask for the disputes or authorizations team; front-line scripts often don't cover manual releases that back-office teams perform routinely.

The expiry argument, no merchant needed

Every authorization has a maximum lifetime set by the network: about 5 days for Visa in-store purchases, 10 online, 31 for hotels/car rentals; Mastercard final auths 7 days, pre-auths up to 30. If your hold is older than its window:

"This authorization is [N] days old, past the network's validity period for this merchant type. Please clear it; no merchant action is required for an expired authorization."

In the EU/UK you can add: banks must release blocked funds without undue delay once the final amount is known (PSD2 art. 75 / UK PSRs 2017). Mentioning the actual rule moves you from "customer complaining" to "customer who will win the complaint."

The escalation ladder, if both calls fail

Written complaint to the bank (say the word "complaint", it triggers a regulated process in most countries).
Regulator/ombudsman: CFPB complaint (US), Financial Ombudsman Service (UK), your national ombudsman (EU), AFCA (Australia): free, and banks resolve most hold complaints before they get there.
If money was actually charged and not returned: dispute/chargeback for "credit not processed", a different, stronger track.

First. Is your hold even late? →Check the honest window before spending an hour on hold music.

How to get a hold released early, the two-call sequence