The main purpose of the "Approve Requirements" task in business analysis is to obtain agreement and approval on the requirements and designs from all stakeholders involved in the governance process. This step ensures that there is a shared understanding and commitment to the requirements, which is essential for the successful implementation of the solution. References: The information aligns with the standards and practices outlined in the Business Analysis Body of Knowledge (BABOK) and other learning resources provided by the International Institute of Business Analysis (IIBA)123.