Under Check 21, if the (faulty) image of the check is reconverted to a substitute check, the bank that creates the substitute check will bear the onus of the substitute check warranties and indemnities. That's as far as Check 21 goes.
If the bank that truncates the check is the same bank that reconverts the check (that is possible), the imaging bank carries the onus and will have to deal with its customer that deposited the check.
If however the truncating bank and the reconverting bank are different banks (more likely scenario), there will most likely be an agreement or agreements between the banks that exchange images, contractually creating warranties for the image quality (outside of Check 21). In that way, the onus gets shifted contractually back to the truncating bank, which will have to deal with its customer (the depositor).
Banks may have in place contractual language shifting losses back to customers who deposit checks that cannot be imaged successfully. If they don't, the depository bank will "eat" the loss. If they do, the depositing customers will have an incentive to refuse checks that are likely to be non-image friendly. That includes, by the way, checks with "cutesy" theme pictures printed on them that might conflict with imaging technology. The big check printers (Harland, Deluxe, etc.) will get on board quickly eliminating these checks from their catalogs. They'll also influence their captive "off-brand" direct sellers like Current. Banks may have to impose financial penalties on customers for continued use of the non-imageable checks.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8