The document summarizes the key types of demand guarantees used in construction and engineering projects, including tender guarantees, performance guarantees, advance payment guarantees, retention money guarantees, warranty guarantees, and others. It provides an overview of the history and development of the Uniform Rules for Demand Guarantees (URDG), which aim to establish uniform rules for cross-border guarantees. The URDG 758 are the most recent version and establish standards for demand guarantees to make the process more efficient and reduce rejection risks for beneficiaries.