Finance help ASAP !!

I am about to renew my season ticket for next season, I've seen on here that you get given a code to type in, at what point have I got to type the code in.

I am about to renew my season ticket for next season, I've seen on here that you get given a code to type in, at what point have I got to type the code in.

After you order your season ticket they send u out confirmation by email with a link to follow and you enter the four digit link on that link. They send you the four digit code by text message,did with me anyway