How will I receive my credit for a referring another customer? November 16, 2018 20:35 Updated Your referral voucher will be emailed to you and added to your customer profile. Related articles Can I earn a referral voucher for friends or family that are going on the same cruise with me? What is the Loyalty Club Membership Program? Is there a limit to how many referral vouchers I can earn? What is the Past Travelers Benefit? What is the 110% Best Price Guarantee?