The money you earn via your referral code does not expire. It will always be available for you for any future purchase. You can find out more about your rewards by logging into your account and viewing your balance. Find out how here.
Related Questions
- Do my rewards stack up?
- How do I know when my referral code is used?
- If I'm a customer with my own referral code, can I use a friend's referral code to place an order?
- Where can I find my referral code?
- Is the money I earn via my referral code transferable?
- Can I get a specific/unique referral code?
- How can I see how much is available to me?
- What do I get if someone uses my referral code?