Paragraph 11
In Part 19 (development by the Crown or for national security purposes)—
Class A (general development by the Crown)
Class B (extension or alteration of an operational Crown building)
Class C (developments on operational Crown land)
Class D (hard surfaces for operational Crown buildings)
Class G (development on operational land outside an airbase)
Class K (use of land by the Crown in relation to surveys etc)
Class Q (development by the Crown relating to an emergency)
Class QA (development by the Crown relating to a pandemic)
Class R (erection etc of gates, fences etc by the Crown for national security purposes)
Class S (closed circuit television cameras for national security purposes)
Class T (electronic communication apparatus etc for national security purposes)