The contract period (period of use) starts from the day you began using your current plan, and lasts:
Standard Plan (yearly payment), Business Plan, Premium Plan: 1 year
*The minimum period of use for the Standard Plan (Monthly Payment) is 1 month.
Sign up for the Standard Plan (yearly payment) If your payment is confirmed
on December 25, 2013, you can use Questant until December 24, 2014.