Here is some information that might guide you..............
Follow instructions in chapter "Creating a Language-Only Installation Plan" in any EnterpriseOne Installation Guide to create a language-only plan and run the Installation Workbench, make sure all records merge successfully. You should find reports for these merges for language install:
1. System tables - by UBE R98403A XJDE0030
2. Data Dictionary - by UBE R98403A XJDE0031
3. Central Objects - by UBE R98403A XJDE0032
4. Control tables includes User Defined Codes and Menu/tasks files- - by UBE R98403A XJDE0033