Who Needs to Register?

Everyone must submit a registration form (including invited speakers) with the appropriate fee. Exhibitors who present a talk or poster must also register as a meeting participant. Registered participants will receive conference materials and a name badge securing admission to the Opening Reception, Exhibit Show and Scientific Sessions.


What's included in my registration fee?

  • Access to all scientific sessions
  • Access to commercial exhibition
  • Access to poster exhibition
  • Coffee breaks from Saturday - Tuesday
  • Opening Ceremony and Reception on Friday, July 20th
  • Awards Banquet on Tuesday, July 24th 
  • Full conference material including name badge and final program


How do I register?  


Registration will be open in January of 2018.  


In anticipation of attending the meeting, right now is a good time to join the ACA to take advantage of the member discounts for registration.  



Meeting Registration Refund Policy

  • Cancellation requests should be made in writing to ACA Headquarters.
  • Requests received on or before May 31, 2018, will receive 100% of the total remittance.
  • Requests received between June 1 and 30, 2018 will be honored minus 50% of the total remittance.
  • Fees will not be refunded after July 1, 2018.
  • Registration must be submitted on or before 11:00 PM., EST, May 31, 2018, to be eligible for the early registration rate. On or after May 31, 2018, registration will be accepted at the higher rate. On-site registration will also be available at the higher rate.
  • Fees for workshops and social events are separate from the registration fee but should be included in the total payment.
  • Purchase orders not accepted.
  • A $35 fee applies to returned checks.
  • *Non-Member registration includes a complimentary membership in the ACA beginning the first day of the meeting and ending December 31, 2018. Membership is non-transferable and attendance at the meeting is required. Those registering as Non-Member Post Docs or Non-Member Students must include documentation of this status with the registration.

Travel Grants

Travel grants for students and young scientists to offset costs associated with attending to the 2018 ACA meeting can be found on the Young Scientists' Meeting page.



Special Needs

Participants with special needs arising from disabilities or particular dietary requirements are invited to contact the Registration Office to discuss appropriate accommodations.



IUCr Scientific Freedom Policy Statement

The Organizing Committee of the American Crystallographic Association 2018 Annual Meeting shall observe the basic policy of nondiscrimination and affirms the rights of scientists throughout the world to adhere or to associate with international scientific activity without restrictions based on nationality, race, color, age, religion, political philosophy, ethnic origin, citizenship, language, or sex, in accordance with the Statues on the International Council for Science. At this meeting no barriers will exist which would prevent the participation of bona fide scientists.



Code of Conduct

By registering for the meeting, participant agrees to abide by the Code of Conduct Policy established by the Council, March 24, 2016.



Speaker Policy

The ACA Council is pleased to announce the adoption of the a Speaker Policy.



Photo Release

ACA will take photographs and video at the meeting. By registering for the meeting and its associated events, you agree to allow ACA to use your photo and/or video footage of you in our publications, materials, websites, or promotions.