Solution : https://service.sap.com/sap/support/notes/903380 (SAP Service marketplace login required)
Key words : 
le ministère du revenu du québec, update cumulation class 65 - rpuc65k0 table t511k entries, cumulation class 52 - qc/regular taxable income, ministère du revenu du québec, update cumulation class 65 - rpuc65k0, employment income txqch - maximum deduction, button 'update cumulation class 64', newly created cumulation class 65, prerequisites year-end 2005 legal, table t511k entries
Related Notes : 
       
| 1058847 | |
| 910056 | YE05: missing French Texts | 
| 909134 | YE05: French Texts for new WTs and T511K constants | 
| 872770 | YE05: Master Note for Canadian Year End - 2005. |