Box 7Box 7 should be completed if the cargo has been declared to be exempt in box 6.The appropriate code detailing the reason for the exemption must be completed.The codes used are:SMUSConsignments which are individually less than both 6mm in thickness and 250g in totalweight and consolidations comprised uniquely of such consignments.BIOM Biomedical samples which may be damaged if subject to screening, provided they comefrom a reliable source and are accompanied by the appropriate documentation (SeeDecision C(2015)1998 point 6.2.4).DIPL Diplomatic bag/mailLFSM Life-saving materials – time critical consignments of life saving materials provided theycome from a reliable source and are accompanied by appropriate documentation (SeeDecision C(2015)1998 point 6.2.4).NUCL Nuclear materials (These must be protected in accordance with the 'Convention on thePhysical Protection of Nuclear Materials, New York and Vienna, 3 March 1980' in orderfor the exemption to apply).Note: MAIL and TRNS are not applicable within the UK.