Offer is available all day Monday to Friday, excluding month of December. Offer is not valid on Bank Holidays, School Half Terms and Valentine’s Day. 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.