Thank you for your email. I understand that you have currently integrated
with Google Checkout through Zen Cart and are experiencing problems with
the calculation of shipping cost in your account
This issue is apparently occurring because the shipping tags are not
correctly implemented into your Checkout API request. To perform custom
calculations for an order before your customer confirms a purchase, you
must include the <merchant-calculations-url> tag in your Checkout API
request. The <merchant-calculations-url> tag's value is the URL to which
Google Checkout will send requests for merchant calculations.
See the page
http://code.google.com/apis/checkout...tions_shipping
for reference on this issue.
Because Zen Cart has integrated your Google Checkout solution, they are
best able to address the causes of this issue. Please forward this
information regarding the errors that you are receiving to Zen Cart for
the fastest resolution to this issue.
Please feel free to reply to this email if you need any clarification on
the errors that you are currently experiencing.
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