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Finance | Project Operations, Human Resources, ...
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Modify Sales tax functionality

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I want to modify the process of calculating the tax after posting a sales order. I am stuck at a certain step and unable to solve my issue.
I added an extension on TaxTable table and Tax class classes calcTax(...) where i perform the next operation and then override the TaxAmount value to whatever I want it to be.
The issue is in AxClass_TaxSales class I assign the taxAmount to this.totalTaxAmount() where it is different from the one I assigned. I want to know what I should be modifying in order to keep them the same. For reference, totalTaxAmount function uses taxWorkTrans and sums the values of SourceRegulateAmountCur.
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