How can I get an invoice for my GSX registration? March 22, 2023 14:34 Updated Please contact ASIS Member Services via email firstname.lastname@example.org or via phone +1.703.519.6200 (option #1). Office hours are Monday – Friday, 9:00 am to 5:00 pm ET. Related articles How much does it cost to attend GSX 2023? How can I post a job opportunity? Is there a discount available to ASIS Members in Emerging Markets? Where can I register for GSX 2023? What do the points mean in ASIS Connects?