You are only allowed to change your premium payment mode on the anniversary of your certificate of insurance. You may request the change by contacting our dedicated AIA Online Customer Service via e-mail at my.aiaonline@aia.com during the operating hours (8:30 a.m. – 5:30 p.m. on Mon to Thu, 8:30 a.m. – 4:30 p.m. on Fri, excluding public holidays).