You can easily set up Journals for Receipts, Disbursements, Miscellaneous, etc. and then assign them to journal entries.
To create a new Journal
Once additional journals have been set up, they can be specified in the Jrnl column of the Journal Entries program.
Note: If Tabs3 Billing and General Ledger are integrated, you may want to review the GLS Integration Setup located in Tabs3 Billing (Maintenance | Integration | GLS Integration Setup) to see if your integration settings need to be updated.