On what baisis Line Ordering sequence will be generate on Draft invoice? While geenerate Draft invoi

Hi,

When I ran PRC:Generate Draft Invoice for Single project.

Draft Invoice showing in Line 1. Employee Travel Expense . In Line 2 Labor Hours expense.

But my client want Labor expenses should show First instead of Emp Travel Expenses.

Can you please help me how to achive it?

Groupiing rule I am using :Top Task,Revenue Category,Exp Category,Exp Type for Both Labor and Non Labor

Thanks,

Hari.