The TSS (Technical Security System) ensures compliance with German tax regulations (KassenSichV). Every transaction is digitally signed and recorded for tax authority verification.

!TSS Settings

TSE (Technische Sicherheitseinrichtung) is required by German law for all electronic cash registers. It provides:

Since January 2020, all German businesses with electronic cash registers must:

Fleksa POS includes built-in TSS compliance via Fiskaly.

Check your TSS status in Settings > TSS:

The TSS screen shows:

Every transaction is automatically:

This happens in the background - no staff action needed.

Each receipt includes a QR code containing:

Customers and tax authorities can scan to verify authenticity.

For tax audits, export transaction data:

Step 1: Go to Settings > TSS > Reports

Step 2: Select date range

Step 3: Tap Export DSFINV-K

Step 4: Download the export file

The export includes all required data in the official German tax format.

Generate daily closing reports:

Step 1: At end of day, go to TSS > Cash Point Closings

Step 2: Review the daily summary

Step 3: Print or save the Z-Report

Z-Reports include:

View transaction reports:

TSE Not Connected:

Signing Failed:

Export Issues:

Daily:

Monthly:

For Audits:

For TSS-related issues:

TSS compliance is critical - address any issues immediately.