In Moss it is possible to setup default attributes for Mileage and Per diems. Easily configure your default attributes for more automation in Moss.
To assign the attributes to go:
Open up "Settings" > "Reimbursements"
Click on the "Default accounting settings" tab
Select for which reimbursement type you want to set a default expense account
Once an account is assigned, it will be defaulted to the chosen reimbursement type (per diem, mileage).
In the future, a taxable expense account will be supported as well.
How does this affect normal Moss users?
Whenever the user creates a per diem or mileage going forward, the expense account is going to be automatically populated.