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luize_boyen
Product and Topic Expert
Product and Topic Expert


Hello everyone,

The Complementary Law (LC) 192 and Convênio ICMS 199 from 2022 that defines the new monophasic taxation on fuels, changes the current taxation of the following products: diesel, gasoline, LPG, anhydrous ethanol and biodiesel and establishes that these products will have a fixed ICMS value defined by unit of measure (ad rem).  Click here for the Portuguese version.

New Taxation Rules


The delivered solution is in accordance with the taxation rules determined by Convênio ICMS 199 from 2022 that determines the monophasic ICMS for diesel, biodiesel, LPG and natural gas.

System Changes to Enable the Monophasic ICMS ad rem Calculation


New tax types have been added to the system so that you can enable the new calculation in Oil processes for both the Materials Management (MM) and Sales and Distribution (SD) modules, as well as in the Nota Fiscal Writer (J1B*N) transactions.

See Changes Available in Your System for Tax Situation Code 02 and 15 (CST 02 and CST15)


New Tax Subdivisions

  • 005 – ICMS AD REM: ICMS ad rem on fuel derived from oil

  • 006 – ICMS AD REM RETEN: ICMS retention on the percentage of mixture of fuel not derived from oil


New Tax Types

  • ICM5 - ICMS AD REM from SD

  • ICM6 - ICMS AD REM RETEN from SD

  • ICM7 - ICMS AD REM

  • ICM8 - ICMS AD REM RETEN


New Condition Types for Sales and Distribution

  • ICM5 – ICMS AD REM from SD

  • ICM6 – ICMS AD REM RETEN SD

  • ICMB - ICMS AD REM offset


New Condition Types for Material Management

  • ICM5 - ICMS AD REM from SD

  • ICM6 - ICMS AD REM RETEN from SD

  • ICM7 - ICMS AD REM

  • ICM8 - ICMS AD REM RETEN


New Entries in Tax Procedures

  • Sales and Distribution: RVXBRA

  • Materials Management: TAXBRJ


New Values for ICMS CST

  • 02 - Liable to monophasic ICMS on fuels

  • 15 - Liable to monophasic ICMS and tax withholding on fuels

  • 53 - Deferred monophasic ICMS

  • 61 - ICMS already levied by monophasic ICMS


New Access IDs (IS-Oil specific)

New IDs are delivered for the Access Definition (VC_OIH_J1B_ACS) view cluster

  • 17- ICMS AD REM

  • 18- ICMS AD REM RETEN

  • 19- ICMS AD REM rate reduction percentage

  • 73- Proportion payable to destination UF


Also note that the ID 070 – Mixing Rate in % – must also be set up for those oil derivatives that will always be retained from ICMS ad rem in their sales and purchases.

Tax Calculation and Taxes in Nota Fiscal Writer

Standard tax calculation logic covers CSTs 02 (ICMS AD REM) and 15 (addition of ICMS AD REM RETEN).

CTS 02

  • ICMS AD REM calculation

  • ID017 – mandatory filling of ICMS AD REM

  • ID019 - optional to inform rate reduction percentage and reason


CTS 15

  • Cálculo do ICMS AD REM

  • Cálculo do ICMS AD REM RETEN

  • ID017 – mandatory filling of ICMS AD REM

  • ID018 – mandatory filling of ICMS AD REM RETEN

  • ID070 – mandatory filling of the mixing percentage

  • ID073 – optional use of proportion payable to destination UF (PDEST)


See Changes Available in Your System for Tax Situation Code 61 (CST 61)


New Tax Group

  • OI2S - ICMS AD REM already Levied


New Tax Type

  • OI61 - ICMS AD REM Levied (CST 61)


New Condition Types for Sales and Distribution

  • OI61 – ICMS AD REM Levied

  • OI6A – Offst AD REM Levied


New Condition Types for Material Management

  • OI61 - ICMS AD REM Levied

  • OI6A - Offst AD REM Levied


New Entries in Tax Procedures

  • Sales and Distribution: RVXBRA

    • If your business requirement needs to have ICMS already levied to be accounted,  uncheck the Statistics flag for conditions OI61 and OI6A.



  • Materials Management: TAXBRJ


New Access IDs (IS-Oil specific)

New IDs are delivered for the Access Definition (VC_OIH_J1B_ACS) view cluster

  • 34 - ICMS AD REM already levied


For more information on how to create entries for the IDs mentioned  in tax situation codes 02, 15, and 61, check the implementation guide available in SAP Notes in the attachments section.

The standard calculation does not support the deferment scenario. To cover this scenario, you can use the following extension points to do the required logic during the nota fiscal creation, considering the contexts:

  • For Invoice Verification: use the structure litax at function Module J_1B_NF_IV_SUMMING enhancement-point j_1b_nf_iv_summing_01 spots es_saplj1bi.

  • For Inventory Management: use the table p_wa_nf_stx at Include LJ1BFF08 enhancement-point calculate_additional_values_01 spots es_saplj1bf.


In the Nota Fiscal Writer, the New ICMS AD REM tax lines have the same behavior as other taxes that are calculated per fixed value per quantity ("Pauta"). Pauta flag (IPIPAUTA), Pauta Base (PAUTA_BASE_3DEC) and Pauta Unit (UNIT) are filled. The new ICMS AD REM tax rate is stored in the existing Tax Rate with 4 decimal places (RATE4DEC) field.

You can find information about this post in the following objects in your system:

Material Management

  • Nota Fiscal Writer (J1B*N) transactions

  • Create Purchase Order (ME2*N) transactions (only for CST 02 and CST 15)

  • Enter Incoming Invoice (MIRO) transactions (only for CST 02 and CST 15)


Sales and Distribution

  • Nota Fiscal Writer (J1B*N) transactions

  • Sales Orders (VA0*) transactions

  • Billing Documents (VF0*) transactions


Material Management and Sales and Distribution

  • Additional Data for Nota Fiscal (J_1BNF_ADD_DATA) BAdI

  • Nota Fiscal System – Create Object from data (BAPI_J_1B_NF_CREATEFROMDATA) BAPI

  • Nota Fiscal: List details of a Nota Fiscal (BAPI_J_1B_NF_READDATA) BAPI


 Relevant SAP Notes and KBA for this Solution



  • SAP Note 3307663 - Prerequisite Objects for ICMS Monophasic on Fuels

  • SAP Note 3309014 - IS-OIL: ICMS Monophasic on Fuels

  • SAP Note 3328813 - Creation of Condition Base and Condition Value Formulas (in case you do not have the formulas 801 and 821)

  • KBA 3307107 - NF-e Technical Note 2023.001 and Monophasic ICMS for Fuels Troubleshooting Guide

  • SAP Note 3352044 - IS-OIL: Prerequisite Objects for IS-OIL: ICMS Already Levied by Monophasic ICMS on Fuels (ICMS CST 61)

  • SAP Note 3352045 - IS-OIL: ICMS Already Levied by Monophasic ICMS on Fuels (ICMS CST 61)


For more information and SAP Notes for this legal requirement, see Technical Note 2023.001: Monophasic Taxation on Fuels and MM: New Regulation on Monophasic Taxation on Fuels.

Update - September 4, 2023
The calculation of the monophasic ICMS based on the ICMS ad rem rate now considers the ICMS already levied by Monophasic ICMS (CST 61) for stock transfer of products purchased with tax situation code 02 or 15 (CST 02 or CST 15).


  • SAP Note 3364925 - ICMS Already Levied by Monophasic ICMS on Fuels for Stock Transfer


The State Tax Number (IE) of Business Place (SubTrib) (IEST_BUPLA) field is now filled for interstate sales involving monophasic ICMS processes for tax situation code 02 and 15 (CST 02 and CST 15). This applies when the nota fiscal issuer collects ICMS for the destination region.

For SAP Oil & Gas, this solution is available for notas fiscais created via process or Nota Fiscal Writer and for SAP S/4HANA, it is only available via Nota Fiscal Writer.

  • SAP Note 3364378 - State Tax Number of Business Place for ICMS Monophasic on Fuels


Update - September 18, 2023

Changes Available for Tax Situation Code 53 (CST53)

The calculation of monophasic ICMS based on the ICMS ad rem rate now considers the monophasic taxation on fuels with deferred ICMS (CST 53) for Sales and Distribution scenarios.

  • SAP Note 3362535 - IS-OIL: Prerequisite Objects for IS-OIL: Deferred Monophasic ICMS on Fuels (ICMS CST 53)

  • SAP Note 3362536 - IS-OIL: Deferred Monophasic ICMS on Fuels (ICMS CST 53)


Update - October 20, 2023

ICMS ad rem retention calculation for monophasic ICMS with 6 or 8 decimals places 

The system calculates the ICMS ad rem retention with 6 decimal places by default and you can enable the calculation of the monophasic ICMS retention with 8 decimal places for internal calculations. This requirement is only for ICMS ad rem retention, which means it does not influence ICMS ad rem calculation. 

  • SAP Note 3383266 - IS-OIL: ICMS Ad Rem Retention Calculation for Monophasic ICMS With 6 or 8 Decimals Place


Update - December 1, 2023

Standard Monophasic ICMS Taxation on Stock Transfer Between Plants

You can determine standard monophasic ICMS taxation for Stock Transfer (STO) of products purchased with tax situation codes 02 or 15 (CST 02 or CST 15).

Standard monophasic ICMS taxation applies to both materials produced in-house and imported, with the exception of deferred monophasic ICMS. It is important to note that monophasic ICMS is not deductible upon goods receipt for stock transfer, but it must be included as part of the material cost at the destination plant.

  • SAP Note 3401052 - IS-OIL: Standard Monophasic ICMS Taxation on Stock Transfer Between Plants


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Regards,

Luize Boyen