对应note 459425 - MR1M: User exit for changing withholding tax data
459425 - MR1M: User exit for changing withholding tax data - SAP ONE Support Launchpad
Solution for Release 4.7 (Enterprise):
In Release 4.7 user exit 'EXIT_SAPLMR1M_004' is replaced by a Business Add-In (BADI) 'MRM_WT_SPLIT_UPDATE'.
SE19