Expense Report Tax rate defaulting from Different Expense Report Template R12

Hi Gurus,

I am having a setup requirement. Here is the scenarion:

We have an Expense Report Template named XX8 ER TEMPLATE

-Our chat of account has 8 segments

-Company,Country,Business Unit,Cost Center,Natural Account,Project, SubAnalysis ,Intercompany

-We have employees from two Companies C1 and C2 in the same Country using the  XX8 ER TEMPLATE

-C1 employees use the template without having to change the values in the tax account combination

C2 employees use the template but have to edit the values in the tax account combination.

Apart from defining a new Expense Report Template, what would be the best setup that will avoid