- Original, photocopy, or photograph of CDC-issued COVID vaccination card
- Original, photocopy, or photograph of WHO-recognized international COVID vaccination card
- Digital SMART Health Card with a QR code (e.g., from the myColorado app) – see a list of issuers here
All forms must contain your full name, the brand of vaccine received, and the date(s) of each dose. Attendees over 18 must also display a photo ID with proof of vaccination.