The document discusses reverse charge mechanism (RCM) under GST. Key points: 1) Under RCM, the recipient of goods or services is liable to pay tax instead of the supplier. RCM applies in cases of unregistered suppliers supplying to registered recipients, services provided by e-commerce operators, and certain supplies specified by authorities. 2) Features of RCM include an expanded scope, compulsory registration for recipients liable for reverse charge, and taxes payable at applicable rates rather than composite rates. 3) Reverse charge is paid in cash only, as input tax credit cannot be utilized. While outward supplies under reverse charge are included in aggregate turnover, inward supplies are not. Composite suppliers pay full