This funding opportunity announcement (FOA) solicits applications for the Health Center Programâ€™s Service Area Competition â€“ Additional Area (SAC-AA). The Health Center Program supports patient-directed public and private nonprofit organizations that provide primary and preventive health care services to the Nationâ€™s medically underserved. The purpose of the SAC-AA funding opportunity is to ensure continued access to comprehensive, culturally competent, quality primary health care services for communities and vulnerable populations served by the Health Center Program. This FOA details the SAC-AA eligibility requirements, review criteria, and awarding factors for organizations seeking funding for operational support to provide primary and preventive health care services to an announced service area under the Health Center Program, including Community Health Center (CHC â€“ section 330(e)), Migrant Health Center (MHC â€“ section 330(g)), Health Care for the Homeless (HCH â€“ section 330(h)), and/or Public Housing Primary Care (PHPC â€“ section 330(i)). For the purposes of this document, the term "health center" encompasses these types of funding (i.e., CHC, MHC, HCH, and PHPC).