The Electronic Tagging Portal Suite (ETPS) enables all entities (Control Area Operators, Purchasing/Selling Entities, and Transmission Providers) involved in energy delivery transactions to create, verify, approve, and manage transactions electronically, using the Internet as its platform. The E-Tagging Portal Suite includes three components: e-Agent, e-Authority and e-Approval, and is designed in compliance with the North American Electric Reliability Council (NERC) Electronic Tagging specifications.