This sources sought notice (SSN) is for market research and planning purposes and shall not be construed as a solicitation or an obligation or commitment to issue a solicitation by the Indian Health S... This sources sought notice (SSN) is for market research and planning purposes and shall not be construed as a solicitation or an obligation or commitment to issue a solicitation by the Indian Health Services (IHS). This SSN is seeking information form specific types of entities as specified in the attached document.