One year (until the end of the calendar month).
Further divided into one-year, two-year, three-year and permanent. Membership expires on the last day of the membership card issuing month (not applicable to life membership).
Members must renew their membership within two months after the expiry date (the end of the calendar month). Those who fail to do so are required to re-apply for membership. Renewed membership is valid for 12 months from the expiry month of the old membership.