Oui monsieur, you are right. When we send the monthly tax return to the
tax department, we always indicate the true net and the VAT, and the
gross is the sum of both amounts. Otherwise, rounding screws us.
BTW, we have electronic invoicing here, which consists of a Web Service
that we have to use to send the invoice and VAT information to the Tax
Dept. They receive it, and return the invoice number, and a very long
number which is called C.A.E. (Spanish for electronic authorization code)
If we do not receive the CAE and the invoice number back from the
WebService for whatever reason, we cannot issue the invoice. The invoice
is only legal if it contains those numbers. The WS replies in seconds,
so it is not a problem.
One of the main reasons for the WS to reject the data sent to it is the
f....g rounding you mention, that is why we send the actual net and tax,
plus the rate applied (there are some goods that are taxed at 21% and
some others that are taxed at 10.5% and even at 0%) It is very
complicated, but it works and we get good fees for maintaining those
routines :-)
Rafael Copquin
El 12/06/2014 12:59, Gérard Lochon escribió:
----- Original Message ----- From: "Rafael Copquin"
<[email protected]>
To: <[email protected]>
Sent: Thursday, June 12, 2014 2:57 PM
Subject: Re: VAT Rates
FWIW in Argentina VAT is 21%
We simply calculate VAT as: net * 0.21 = VAT
Gross = net + VAT
'OR" Gross = net * 1.21
No, your OR clause is false, because of roundings.
When you calculate a bill, you must think
as a fiscalist and not like a mathematician.
You have a net value, 2 decimals provided, then
you calculate the taxes round(rate*net,2),
and then you add the net and the taxes to get the gross.
And the result can be different from round(net*(1+rate),2).
The true gross is always an addition (net+taxes), and
never a multiplication basis, this avoiding rounding deltas.
It gets a little bit more complicated because there are different
categories of VAT tax payers:
Then you sum the amount grouped by each tax rate, apply it,
and then sum the net and the previous different calculated taxes.
Tha't the only true way, whatever the country.
Gérard.
[excessive quoting removed by server]
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