This document discusses NSF requirements for data management plans and sharing research data. It provides an overview of what NSF expects to be included in a data management plan, such as the types of data produced, data standards, storage and preservation plans, policies for access and sharing, and archiving data for long-term access. The document also mentions other funder and government policies regarding public access to published research and supporting data. Resources for creating data management plans and sharing data, such as the DMPTool and research data repositories, are also introduced.