I've purchased the incorrect voucher, how can I change this? February 05, 2020 05:03 Updated All HOYTS purchases are final and cannot be changed or refunded. Related articles How do I link Mentemia wellbeing tracking to AIA Vitality? Can I give my HOYTS voucher to family or friends? How do I earn points for Nutrition Tracking? Why can't I use the voucher code to claim with one of the AIA Vitality rewards partners? How do I qualify for a Shopping Rewards voucher?