Solution : https://service.sap.com/sap/support/notes/455103 (SAP Service marketplace login required)
Key words : 
indexed tc = indexed tc indexing factor provincial, indexed tc = indexed tc indexing factor option, indexed tc = indexed tc indexing factorchoose, successfully indexed personal tax credit amounts, correct territorial personal tax credit amounts, provincial/territorial personal tax credit amounts, existing personal tax credits additional options, existing personal tax credits province/territory, impôt calculé sur le revenu, pernr     personnel number wrkar     province
Related Notes : 
       
| 455909 | TAX: Reading of IT0224 credit amounts "when paid". | 
| 448866 | TAX: Tax update effective January 1, 2002. | 
| 373769 | Q&A: Master Note for Canadian Taxation. |