Hello ,
I can't say the specific one. But you can check from the below Tax related function module.
BUPA_TAX_NUMBER_CHECK_DUPL : Check Tax Numbers for Duplicity Cross Application - Country-Specific Objects
TAX_NUMBER_CHECK : Check Tax Numbers Cross Application - Country-Specific Objects
EU_TAX_NUMBER_CHECK : Check of VAT registration number (EU tax number) Cross Application - Bank
BUPA_TAX_NUMBER_CHECK : Cross Application - Country-Specific Objects
TAX_NUMBER_CHECK_GENERIC : Generic Check for Tax Number Checksum using Rules Cross Application - Country-Specific Objects
BUPA_TAXNUMBERS_GET : Cross Application - Country-Specific Objects
BAPI_BUPA_TAX_ADD : BAPI Add Tax Number Cross Application - Country-Specific Objects
BAPI_BUPA_TAX_CHANGE : Change Tax Number Cross Application - Country-Specific Objects
BAPI_BUPA_TAX_REMOVE : Delete Tax Number Cross Application - Country-Specific Objects
BAPI_BUPA_TAX_GETDETAILS : Read Tax Number Cross Application - Country-Specific Objects
J_1A_PUT_DASHES_TO_STCD3 : Put the dashes to the tax number field STCD3 (Gross Income no.) FI - Localization
BAPI_BUPA_TAX_COMMON_CHANGE : BAPI Add Tax Number Cross Application - Country-Specific Objects
BUPA_TAX_SAVE_COMMIT : Save and commit tax numbers Cross Application - Country-Specific Objects
BAPI_BUPA_TAX_GETDETAIL : Read Tax Number Cross Application - Country-Specific Objects
BAPI_BUPA_TAX_PAR_GET_DETAIL : Read all business partner given tax number as inputs Cross Application - Country-Specific Objects
BUPA_TAX_PARTNER_GET_DETAIL : BAPI: Getting partner details suppling tax number as input Cross Application - Country-Specific Objects
------- TAX NUMBER RELATED FUNCTION MODULES -------
BAPI_ACC_DOCUMENT_POST - Accounting: Posting Accounting - Accounting Interface
EXIT_SAPLFYTX_USER_001 - User exit for changing tax fields (with max tax functionality) FI - Basic Functions
GET_TAX_PERCENTAGE - FI - Financial Accounting
J_1I7_USEREXIT_CHEQUENO_CERT - User Exit for adding Cheque No to the internal table FI - Localization
J_1I7_USEREXIT_CHEQUENO - Cheque number or DD number updation FI - Localization
BBP_PO_MEMORY_GET - Holen der belegspezifischen Sets aus dem PO Memory SRM - Enterprise Buyer
BBP_PD_SC_ITEM_GETDETAIL - Details zu einer Position lesen SRM - Enterprise Buyer
GN_INVOICE_CREATE - Fakturen mit allgemeiner Fakturaschnittstelle erzeugen SD - Billing
BAPI_ADDRESSORG_SAVEREPLICA - BAPI for Inbound Distribution of Company Addresses Basis - Address Management/Business Address
J_1A_PUT_DASHES_TO_STCD3 - Put the dashes to the tax number field STCD3 (Gross Income no.) FI - Localization
BUPA_GENERAL_CALLBACK - Alter und neuer Stand des global memory App. Platform - SAP Business Partner
BBP_BUPA_GET_NUMBER - PARTNER<--> PARTNER_GUID SRM - Enterprise Buyer
BUPA_TAX_NUMBER_CHECK - Cross Application - Country-Specific Objects
VAT_REGISTRATION_NUMBER_CHECK - Cross Application - Country-Specific Objects
BUPA_TAX_GET_DETAIL - Cross Application - Country-Specific Objects
Thanks & Regards,
Abhijit