Armed Forces & Emergency Services - 10% Discount. The voucher can only be used by current employees of the British armed forces and emergency services, including: British Army, Royal Marines, Royal Navy, Royal Air Force, Reserve Forces, Cadet Forces, UK Police Force, UK Ambulance Service and UK Fire Brigade. The purchase must be made in the name of the person named on the proof of employment/ID provided. The purchase must be delivered to the person named on the proof of employment/ID provided. The discount code cannot be used with any other promotional voucher code or discount scheme. The discount code can only be used once. Trespass reserves the right to refuse any persons entry to the discount scheme. Trespass reserves the right to change the offer at any time. Discover this wonderful offer which doesn’t require a promo code to be entered at trespass.com. Enjoy your shopping during this limited time offer.