Special Notice: HEALTH AND HUMAN SERVICES, DEPARTMENT OF, NATIONAL INSTITUTES OF HEALTH, NIH ADVANCED RESEARCH PROJECTS AGENCY FOR HEALTH (ARPA-H) intends to award a sole-source purchase order to Brown Palace Hotel for meeting space, audiovisual services, and staff lodging in Denver, CO. The purpose of this service is to support several upcoming Program Proposers' Day for Advanced Research Projects Agency for Health (ARPA-H). The Brown Palace Hotel is the only venue capable of providing the required services. Interested parties must submit their capability to respond to the requirements by October 10, 2023.