SAP TAXNUMBER_CHECK_DUPL_CUSTOMER Function Module for Check Tax Numbers for Duplicity

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TAXNUMBER_CHECK_DUPL_CUSTOMER is a standard taxnumber check dupl customer SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Check Tax Numbers for Duplicity processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for taxnumber check dupl customer FM, simply by entering the name TAXNUMBER_CHECK_DUPL_CUSTOMER into the relevant SAP transaction such as SE37 or SE38.

Function Group: ID_TAXNUM
Program Name: SAPLID_TAXNUM
Main Program: SAPLID_TAXNUM
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function TAXNUMBER_CHECK_DUPL_CUSTOMER pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'TAXNUMBER_CHECK_DUPL_CUSTOMER'"Check Tax Numbers for Duplicity
  EXPORTING
   CUSTOMER =  "General Data in Customer Master
*  IV_NO_DIALOG = ' ' "Display no dialog messages

 IMPORTING
   ET_DUPLICATE_CUSTOMERS =  "Duplikate aus KNA1 bzgl. Steuernummer

.

IMPORTING Parameters details for TAXNUMBER_CHECK_DUPL_CUSTOMER

CUSTOMER - General Data in Customer Master

Data type: KNA1
Optional: No
Call by Reference: Yes

IV_NO_DIALOG - Display no dialog messages

Data type: XFELD
Default: ' '
Optional: Yes
Call by Reference: Yes

EXPORTING Parameters details for TAXNUMBER_CHECK_DUPL_CUSTOMER

ET_DUPLICATE_CUSTOMERS - Duplikate aus KNA1 bzgl. Steuernummer

Data type: CMDS_CHECKDATA_CUSTOMER_T
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for TAXNUMBER_CHECK_DUPL_CUSTOMER Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM TAXNUMBER_CHECK_DUPL_CUSTOMER

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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