Solution : https://service.sap.com/sap/support/notes/1618194 (SAP Service marketplace login required)
Key words :
switzerland -> tax -> withholding tax -> reporting -> check forms, cantonal withholding tax scale code bwa manually, previous sap internal withholding tax scale, sap internal withholding tax scale code, gf_alv-qstbt_cantcantonal withholding tax scale, whtx pay scale bwa, print cantonal rate code, cantonal withholding tax scale, withholding tax liability reason, sapscript symbol 'gf_alv-qstbt_cant'
Related Notes :
1625291 | SAP_HR CLC package in October 2011 for Switzerland |