Is there a limit to how many referral vouchers I can earn? October 31, 2018 21:48 Updated There is no limit to the amount of vouchers you can earn and apply to a future reservation. Related articles How will I receive my credit for a referring another customer? How does the referral program work? Can I earn a referral voucher for friends or family that are going on the same cruise with me? What is the V.I.P. Customer Loyalty Club? How do I advance to the next Loyalty Club rewards level?