The process can vary a bit according to the vendor, but here's a discussion about how it works for credit unions on the CO-OP network, as an example. In most cases, debit card authorizations create a Misc. Secured Shares record on the member's account to hold the funds. When the actual transaction comes in, this record is automatically deleted. (There are exceptions to this rule, such as gas purchases.) A little history: In the past, debit card authorizations would add a hold to an ind
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