The expense transfer feature allows users to transfer posted salary and non-salary expenditures. Allowable transfers include RSTs (Retroactive Salary Transfers) and RTEs (Request Transfer Expenditures).
The journal voucher feature allows users to create entries against a budget or general ledger. JVs are only used for entries that cannot be completed through expense transfer. For example, this would include a transfer involving a revenue or balance sheet item, or when posting to a general ledger.