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The e-commerce.

Tax on Shipping not getting passed to payment


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I am using the osc Authorize.net payment module. I have shipping modules set to a tax class. However, when I try and put an order through, the tax & order total being passed to Authorize.net does not include the tax on the shipping. (Checkout Confirmation shows correct information)


Product = $10.00

Shipping = $1.00

Tax 10% = $1.10

TOTAL = $12.10


what is passed to Authorize.net is:


TOTAL of $12.00

tax of $1.00

Shipping = $1.00


The $0.10 tax on shipping is getting dropped.


Suggestions as to where I should begin my search? I am have very little experience with the modules side of things.

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For those that are interested, I had to load


  require(DIR_WS_CLASSES . 'order_total.php');
 $order_total_modules = new order_total;

 $order_totals = $order_total_modules->process();




// load the before_process function from the payment modules


on checkout_process.php.


Hopefully that didn't break anything else1 ;)

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