If the Multi-Currency plugin is active, a "Currency" field appears on the client edit form and detail page: Select the client's preferred currency from the dropdown The system can auto-suggest based on the client's country selection When creating invoices for this client, the preferred currency is pre-selected Stored in post meta: _client_currency If the Invoice Enhancements plugin is active, an "Invoice Templates" section appears on the client detail page: Lists all saved invoice templates for this specific client Shows template name, creation date, and quick actions Use Template - Apply the saved configuration to create a new invoice Edit Template - Modify the template's saved configuration Delete Template - Remove the template (doesn't affect existing invoices) Templates are created