Offer is available all day on August 15th for A-level results day and August 22nd for GCSEs results day. Offer only valid with a telephone or online 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. Each valid results slip can book and enjoy the discount for up to four people. Offer is only valid at COSMO Derby.