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  • Reduction of ICMS calculation base (MATA080 - SIGAFIS)

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This routine enables the reduction of ICMS base, according to Decree nr 43.080/2002 RICMS-MG. Fields created are used to collect the reduction percentage of ICMS calculation base, the ICMS value without tax debit and the discount value, for the calculation of the invoice value.

Example:

An outflow invoice where the total value of products is R$ 1.000,00 and where the product has 30% of reduction of calculation base.

In this case, the calculation is:

- ICMS Base = R$ 1.000,00 – (R$ 1.000,00 * 30%) = R$ 700,00

- ICMS Value  = R$ 700,00 * 18% = R$ 126,00

The reduction value corresponds to the difference between the ICMS value without reduction and the ICMS with reduction.


Without reduction, ICMS would be:

R$ 1.000,00 * 18% = R$ 180,00

- Reduction value = R$ 180,00 – R$ 126,00 = R$ 54,00


The value to be deducted from the total value is:

R$ 1.000,00 – R$ 54,00 = R$ 946,00

The invoice total value in this example is R$ 946,00