The document outlines the Reverse Charge Mechanism (RCM) under GST, where the liability to pay GST shifts from the supplier to the recipient for specified goods and services. It details the types of supplies affected by RCM, including certain categories of agricultural products, transport services, legal services, and real estate transactions, along with their applicable GST rates. The document also specifies conditions under which the RCM applies and exemptions based on the nature of the recipient or the service provided.