Guide
Existing accounts and referral invites
Why referral programs usually target brand-new customers only.
In short: Referral budgets aim to acquire new users, so people with an active or previous account often cannot claim friend-invite bonuses.
Second accounts rarely qualify
Providers match phone numbers, emails, and identity documents to block repeat signups.
Codes mentioned
What about closed accounts?
Policies vary; many brands treat anyone who ever held an account as ineligible.