Help me help me

This discussion aims to clarify Goods and Services Tax (GST) liability calculations, specifically addressing scenarios involving Reverse Charge Mechanism (RCM) and debit/credit notes. The user is seeking a precise, step-by-step breakdown of how to determine tax liability when an unregistered person supplies goods or services to a registered person, with both RCM and debit notes in play. The conversation also touches upon the applicability of RCM based on the registration status of the supplier and recipient.