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Hello all,

My firm has a number of distribution facilities throughout the US, in numerous states.

When a shopper locations an order, we have no idea the date and placement of achievement so we wish to show an estimated gross sales tax.

I am how Amazon does issues: it looks like once they group gadgets into shipments, they place a bank card authorization for the *estimated* whole for every cargo.

Earlier than every cargo goes out, Amazon calculates the ultimate gross sales tax and submits an adjusted quantity for seize towards the authorization.

However from [VISA’s docs](https://usa.visa.com/dam/VCOM/international/support-legal/paperwork/best-practices-authorization-and-reversal-processing.pdf) (web page 2), on-line retail will not be an “Eligible Service provider” class for adjusted authorizations.

Does anybody understand how Amazon (or any eCommerce firm with the identical issues as ours) handles this?

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Blissful to supply extra info – hope that is sensible!

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