BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20230215T000000Z DTEND:20230215T000000Z SUMMARY:Using VITAL reference doses for allergen labelling starts on the 15th February 2023 09:00 LOCATION: END:VEVENT END:VCALENDAR