| November 2026 | |
| November 2026 | Exhibitor Resource Center Open |
| November 19 | Exhibitor Personnel and Sponsor Registration Opens |
| December 2026 | |
| December 22 | Hotel Reservation Information Due (Names, Arrival/Departure Dates, Credit Card Required to Guarantee Reservation) |
| January 2027 | |
| January 8 | Exhibitor Listing for Printed Pocket Program Due |
| January 20 | Deadline to Submit Preshow Attendee Mailing List Order Form |
| January 21 | Advanced Warehouse Open for Receiving |
| January 25 | Deadline to Make Changes to Existing Hotel Reservation via the Head and Neck Housing Center |
| January 25 | Deadline to Notify ASTRO of EAC or Giveaway |
| January 25 | Preshow Attendee Mailing List Sent to Exhibitors that Purchased |
| January 29 | Audio/Visual Discount Deadline |
| February 2027 | |
| February 3 | General Services Contractor Discount Deadline |
| February 3 | Date to Contact Hotel Directly for Exhibitor Housing Changes |
| February 19 | Final Date for Receiving at Advanced Warehouse |
| February 24 | Tabletop Display Setup: 3:00 p.m. - 5:00 p.m. |
| February 25 | Exhibit Hall Opens: 7:00 a.m. |
| February 27 | Exhibitor Move-Out: 10:30 a.m. - 2:00 p.m. |
| March 2027 | |
| March 15 | Postshow Electronic Survey Due |
| March 29 | Deadline to Submit Postshow Attendee Mailing List Order Form |
