SAP ABAP Message Class FS (Messages from Tax Routines / Prenumbered Checks) is used by

• Class (6)
• Function Module (22)
• Program (83)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_XTAX_DOCUMENT	external tax document	FYTX/ETXDC	APPL	SAP_FIN
2	Class	CL_XTAX_DOCUMENT	external tax document	FYTX/ETXDC	APPL	SAP_FIN
3	Class	CL_XTAX_DOCUMENT	external tax document	FYTX/ETXDC	APPL	SAP_FIN
4	Class	CL_XTAX_DOCUMENT_LOCK	Lock component for external tax document	FYTX/ETXDC	APPL	SAP_FIN
5	Class	CL_XTAX_RULES_CALCULATION	Rules for calculation (using tax_input structures)	FYTX/ETXDC	APPL	SAP_FIN
6	Class	CL_XTAX_RULES_POSTING	Rules for posting an external tax document	FYTX/ETXDC	APPL	SAP_FIN