Solution : https://service.sap.com/sap/support/notes/305039 (SAP Service marketplace login required)
Key words :
tax rate / tax ceiling / tax method override, desired payroll period gross cumulation, taxfactory>test>bsi test> hit, earning/benefit plan contributions, perform special tax calculations, session calculate taxes ustax, symptom tax overrides defined, bsi interface script beginning, maintain custom tax codes, desired payroll period
Related Notes :
521206 | Q&A: Master Note for U.S. BSI Interface |