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ACA Advocacy Update: Take Action on the Proposed OMB RevisionsThe ACA is actively engaged in responding to the Office of Management and Budget's proposed revisions to the Uniform Guidance (2 CFR Part 200), which could have significant implications for federally funded scientific research, research administration, and scientific societies. As part of our advocacy efforts, the ACA has joined numerous other scientific societies in formally requesting that the federal government extend the public comment period to allow the research community additional time to review and respond to this far-reaching proposal. In addition, the ACA has partnered with the American Physical Society (APS) and has been added as an official partner to the APS public comment portal. We encourage all ACA members and others in the structural science community to review the proposal and submit their own comments before the deadline. Individual comments from researchers, educators, institutions, and scientific organizations help demonstrate the broad impact these proposed changes could have on the research enterprise. Learn more about the proposed rule and submit your comments through the ACA's partnership with APS.
Looking Ahead: ACA Annual Meetings Through 2029The American Crystallographic Association is excited to announce the locations of our next three annual meetings. We look forward to bringing the crystallographic community together in outstanding destinations across North America, each offering unique opportunities for scientific exchange, collaboration, and networking.
Find Out MoreStay Connected with ACA Annual Meeting UpdatesPlanning to attend a future ACA Annual Meeting? Sign up for the ACA Annual Meeting Newsletter to receive important conference announcements, abstract and registration deadlines, housing information, program highlights, and other meeting updates delivered directly to your inbox. Whether you're a longtime attendee or considering your first ACA meeting, the newsletter is the best way to stay informed about upcoming events and opportunities. Sign Up for Annual Meeting UpdatesJoin the ACA CommunityAdvance your career and connect with leaders in structural science by joining the American Crystallographic Association (ACA). Gain access to a dynamic professional network, exclusive resources, and opportunities to engage through meetings and Special Interest Groups. Become a member today and be part of the structural science community.Join the Global Crystallography Community at IUCr2026Join crystallographers and structural scientists from around the world at IUCr2026, taking place August 11–18, 2026, in Calgary, Alberta, Canada. With an exceptional scientific program featuring 140 microsymposia, workshops, poster sessions, exhibits, and networking events, IUCr2026 promises to be a landmark gathering for the global crystallographic community.
Important deadlines are approaching. Discounted registration rates, hotel reservations, and campus housing options all have upcoming cutoff dates. We encourage attendees to make their plans soon to secure the best rates and availability. IUCr2026 HomepageVisit the IUCr2026 website for registration, housing information, and the latest Congress updates. We look forward to welcoming you to Calgary this August! Now Accepting Special Topic SubmissionsSubmit your latest breakthrough to an open Special Topic in Structural Dynamics and share your discoveries with the global structural science community. ACA members enjoy reduced publication fees.
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