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  • Puck Holshuijsen 188 posts 751 karma points
    Nov 22, 2022 @ 09:38
    Puck Holshuijsen
    0

    Wrong VAT calculation for Mollie

    Hi Matt,

    Sometimes I am getting the error that the VAT amount is off. Do you have an idea where I can check/fix this?

    AggregateException: AsyncHelper.RunSync method threw an exception. (Unprocessable Entity - Order line 1 is invalid. VAT amount is off. Expected VAT amount to be €9.72 (€56.00 × (21.00% / 121.00%)), got €9.70)

    I am using Vendr 3.0.4

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  • Puck Holshuijsen 188 posts 751 karma points
    Nov 22, 2022 @ 10:42
    Puck Holshuijsen
    0

    It looks like I have fixed the issue.

    The Order Rounding Method was set to Unit (default i believe) which caused some issues because of custom discounts.

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  • Matt Brailsford 4125 posts 22224 karma points MVP 9x c-trib
    Nov 22, 2022 @ 15:24
    Matt Brailsford
    100

    Hi Puck,

    Yea, our default (and most other platforms) is to use unit rounding, but Mollie expects order line rounding. This is documented in the “Setting up Umbraco” section of the payment provider docs here https://vendr.net/docs/payment-providers/mollie/2.0.0/mollie-onetime/getting-started/configuring-umbraco/#configure-order-rounding-settings

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  • Puck Holshuijsen 188 posts 751 karma points
    Nov 23, 2022 @ 06:56
    Puck Holshuijsen
    0

    Thanks Matt, I totally missed that in the docs :)

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  • Matt Brailsford 4125 posts 22224 karma points MVP 9x c-trib
    Nov 23, 2022 @ 09:38
    Matt Brailsford
    0

    No problem. I’m just glad you got it working. 👍🏻

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