Navigate to Administration in the side bar, then click Expenses and then Categories.
Either click Add new to add a new category or click the blue Pencil icon to edit an existing category.
Select Hourly rate as the type.
This will display an extra section to enter the hourly rates for each organisation on the system.
If rates differ amongst claimants, setup more than 1 category and assign each to the relevant user profile.
Complete the other category entries as required on a standard expense category.