First of all, pretty much everybody flying a camera equipped drone in the UK now needs to be registered with the CAA, and have a Flyer ID and an Operator ID.
Flyer ID - Read a booklet, understand the basic rules, take a multiple choice test of 40 questions. It's free and quite interesting.
Operator ID - Fill in a form and pay £12.34 - Then your drone must be clearly marked with this ID.
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