SAP ABAP Message Number AR - 100 (AR) is used by

• Function Module (4)
• Program (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	EU_TAX_NUMBER_CHECK	Check of VAT registration number (EU tax number)	BF_BANK	ABA	SAP_ABA
2	Function Module	ISP_POSTAL_CODE_CHECK	IS-PSD: Prüfen Plz. auf post. Richtigkeit Kopie FB: Postal_code_check	JMDGEN	IS-M	IS-M
3	Function Module	POSTAL_CODE_CHECK	Check of postal code and region	BF_BANK	ABA	SAP_ABA
4	Function Module	TAX_NUMBER_CHECK	Check Tax Numbers	ID-CSC	ABA	SAP_ABA