My Lords, decisions on proposed GM crop trials in England are made on a case-by-case basis. Accordingly, the level of detail at which we require trial site locations to be notified and published would depend on what was considered to be proportionate in terms of safety and the need for transparency in each case. To date, we have required such locations to be notified and published at a level no less specific than 1 square kilometre on an Ordnance Survey map.