monetary limit for issuance of SCN in GST - Goods and Services Tax - GST

Circular no 31/05/2018-GST , provides monetary limit for issuance of SCN/ orders in GST. The query is as follows:- 1. Can Deputy commissioner/ Assistant commissioner issue SCN / order levying Total Tax of Rs.10 cr (5cr CGST + 5 cr- SGST ) 2. Can Joint commissioner issue SCN / order for Tax in dispute of Rs. 50 lakhs (25 lacs CGST 25 lacs SGST) as lower limit for such officer is starting from 1cr. Thanks in advance.