Dienstplan-Check: Ruhezeit und Pausen (ArbZG) — Licence

Free scope
  Einen Dienstplan (CSV) prüfen: jede Verletzung von Ruhezeit, Pausen und Höchstarbeitszeit mit Zeile und Paragraf. is free for any use, personal or commercial, for as long as you keep the
  extension installed, and the online check at the product page is free without registration.

Paid scope
  Alle Dienstpläne eines Ordners auf einmal prüfen und das Prüfprotokoll als CSV für Betriebsrat oder Aufsicht exportieren. is the paid part. It asks for a licence key issued at purchase (one seat, one key). The key is checked against the payment provider and
  cached locally for 30 days so it keeps working offline.

Redistribution
  You may not resell, re-host or bundle this extension or its rule set. The rule set and the
  engine are provided as-is; check results are advisory and do not constitute legal advice.

(c) ReadyStack — https://getreadystack.com
