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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / difference in calcula...
Finance | Project Operations, Human Resources, ...
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difference in calculations of the tax for the salesline

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Posted on by dark_knight 942
Hi,
 
I'm trying to calculate tax for the sales line via code in order to get exactly the same value from the financials menu /salestax/ button on salestable form
 
 
//
 
 
I need to get the for this line 18.41. Under the hood class TAX os working to calculate this value and the value in the calculations is 18.406666666 which is rounded to 18.41 by the system.
 
I have found 2 ways to calculate tax for the line via code. they are described here
 
 
using both of them I get 18.4034 value which is rounded to 18.4 and I need 18.41 exactly as it is on the form after clicking sales tax button.  
 
Before diving into the very heavy code of the TAX class maybe there is something important I miss out?
 
Thanks.
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  • Suggested answer
    Kevin Xia Profile Picture
    Kevin Xia Microsoft Employee on at
    difference in calculations of the tax for the salesline
    Hi,
    Before you delve into complex code, you can refer to this official document: Tax calculation rounding rules - Finance | Dynamics 365 | Microsoft Learn. It mentioned that the Rounding precision and Rounding method fields determine how calculated amounts in the payload from the tax calculation service are rounded. It also provides an example that shows how the amount 987.345 is rounded for different combinations of rounding precisions and rounding methods.
    Best regards,
    Kevin

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