GST Compliance – Register & Activate STAK
Registering & Activating STAK (Single Time Authentication Key) Edition: September 2025Disclaimer: This manual is for compliance facilitation. It does not substitute statutory provisions, notifications, or circulars. Taxpayers must verify with the CGST/SGST Acts, Rules, and GSTN updates. ✍️ Preface The GST system provides STAK (Single Time Authentication Key) through the GST Secure OTP mobile…
















