For example, if a brokerage client wants to start trading on a new exchange or a rare financial instrument, the supporting broker should be able to comply with that request. Carrier brokers employ people and technologies that allow them to perform large-scale back-office work for a network of broker clients. Instead of each broker reproducing similar administrative bureaucracies, economies of scale can be achieved by simply resizing these redundant management tasks to a small group of transportation brokers. This gives their broker clients the opportunity to focus on revenue-generating activities. On March 23, the Financial Sector Regulatory Authority (FINRA) announced that it was conducting a retrospective review of FINRA Rule 4311 for delegation agreements. .