When generating income, expenses or fees against a property, the ledger field can be populated automatically based on the property's ledger settings.
Under the Property > Ledgers tab, accounts can be assigned to the ledgers.
Click here to see how these settings work with repeating income / expense templates.
If the Fee Rule is raised against an account not assigned to a ledger on a property, the Default Ledger for the Property will be used.
Any Property or Tenancy Fee rules that are raised against an account assigned to a ledger on a property, that ledger will be used.