Offer is not valid during the month of December, Bank Holidays, Valentine’s Day and School Half-Term Holidays. Offer only valid with a telephone booking when made at least 24 hours in advance quoting ‘10% off’ when making the booking. Offer includes food and drink. Cannot be used in conjunction with any other offer. This offer is subject to availability and COSMO Restaurants reserve the right to withdraw or alter this offer at any time without prior notice. To redeem this offer, please present a valid NUS, UCAS or Work Local Partner ID card to your server when being seated. Each valid Card/ID holder can book and enjoy the discount for a party up to 4 people. Offer is only valid at COSMO Derby.