Submitting to Newsjack?

Bit of a stupid question I assume, but to submit a "30 second advert" do you just send it in the email? No formatting or any of those guide things needed?

http://www.bbc.co.uk/programmes/articles/1hDdvFLfWClPHW7zT3sq01S/submit-a-sketch

I've read that, doesn't say anything about how you format a 30 second advert.