To add an allowance claim type you will need to go to the Administration settings, then Expenses. From there you will need to open Categories.
Click the Add new button. From here you can create allowance claim types using the Main category details, Allowance and Allowance rates sections.
To make the allowance claim category you will need to make the category type Allowance.
Edit Allowance Rates
Under the Allowance heading, you will be able to edit allowance rates. Click on the Edit rates button.
Use the Add new button, to create a new allowance rate.
Select the country, date effective from and rate. Click Save.