The "GREATER Act" mandates that the Small Business Administration (SBA) , the Appalachian Regional Commission (ARC) , and the Delta Regional Authority (DRA) enter into a memorandum of understanding or other appropriate agreement within 120 days of the bill's enactment. This agreement is specifically designed to expand rural entrepreneurship and provide support to small business concerns located within the Appalachian and Delta regions. The officials involved are tasked with coordinating these activities and ensuring the inclusion of these covered small businesses. To maximize effectiveness, the officials may establish reimbursable agreements among their agencies and collaborate with other federal entities. Furthermore, the bill requires these officials to jointly submit a comprehensive report to Congress within two years. This report must detail the coordination efforts, potential opportunities for expanding assistance to rural entrepreneurs, the number of businesses aided, and plans for future collaboration to benefit the regions' small businesses.