SAP ABAP Class CL_XTAX_INTERFACE_SHELL (Tax Interface Shell) is using

• Class (12)
• Data Element (17)
• Table/Structure Field (91)
• Function Module (1)
• Interface (6)
• Message Class (1)
• Message Number (1)
• Class Method (97)
• Table (111)

#	Object Type	Object Name	Object Description	Note
1	Message Number	FF - 747	The tax amount must not be greater than the tax base