# Advanced capabilities

E-invoices, receivables, HR, MCP, and edge cases.

- [E-invoices](https://help.cortena.ai/guides/advanced/e-invoices): Receive and process structured e-invoices.
- [Accounts receivable](https://help.cortena.ai/guides/advanced/accounts-receivable): Receivables capabilities (roadmap and current scope).
- [Customer payment terms and due dates](https://help.cortena.ai/guides/advanced/customer-payment-terms): Customer payment terms that prefill receivable due dates.
- [Invoice number template](https://help.cortena.ai/guides/advanced/invoice-number-template): Configure receivable invoice number templates in Settings.
- [Outbound ZUGFeRD e-invoice on issue](https://help.cortena.ai/guides/advanced/outbound-zugferd): Generate ZUGFeRD / EN 16931 e-invoices when issuing receivables.
- [Customer tags](https://help.cortena.ai/guides/advanced/customer-tags): Tag AR customers and route workflows with customer tags.
- [Customer open balance and invoice activity](https://help.cortena.ai/guides/advanced/customer-open-balance): Customer open balance and invoice activity on AR customers.
- [Forward payable to receivable](https://help.cortena.ai/guides/advanced/forward-payable-to-receivable): Forward a payable into one or more receivable drafts with allocation.
- [HR and timesheets](https://help.cortena.ai/guides/advanced/hr-timesheets): Timesheet-related flows where available.
- [Payment advice: Sync to WeClapp (allocation write-back)](https://help.cortena.ai/guides/advanced/payment-advice-sync-weclapp): Sync payment advice allocations to WeClapp with retry controls.
- [Multi-customer payment advice sync to WeClapp](https://help.cortena.ai/guides/advanced/multi-customer-payment-advice-weclapp): Sync payment advice allocations to WeClapp when one bank inflow covers multiple customers.
- [Payment advice workspace: Preview, Emails, Activity](https://help.cortena.ai/guides/advanced/payment-advice-workspace): Payment advice workspace: Preview, Emails, and Activity.
- [Payment advice: Search in CRM and HubSpot import filters](https://help.cortena.ai/guides/advanced/payment-advice-crm-hubspot): Search payment advices in CRM and configure HubSpot import filters.
- [Payment advice: auto-settle when WeClapp already paid](https://help.cortena.ai/guides/advanced/payment-advice-auto-settle): Auto-settle payment advice when WeClapp already shows paid.
- [Payment advice: soft-delete and CRM re-sync](https://help.cortena.ai/guides/advanced/payment-advice-soft-delete): Soft-delete payment advices and re-sync from CRM search.
- [Paid invoice to payment advice and banking links](https://help.cortena.ai/guides/advanced/paid-invoice-payment-advice-links): Open payment advice and bank links from paid receivable invoices.
- [Open items and payment write-back staging](https://help.cortena.ai/guides/advanced/open-items-write-back): Stage open-item payments and write back to WeClapp when linked.
- [MCP server](https://help.cortena.ai/guides/advanced/mcp-server): Ask Cortena from ChatGPT or Claude via MCP.
- [DATEV trial balance and posting history via MCP](https://help.cortena.ai/guides/advanced/datev-mcp-trial-balance): Query DATEV trial balance and accounting postings via Cortena MCP.