use the online form (sign in to, or set up a Government Gateway account)
fill in the form on-screen, print it off and post it to HMRC
If you use the online form, you’ll get a reference number. You can use this to track the progress of your form.
Commercial clubs must be registered at least 14 days before promoting bingo. If you’re an unlicensed promoter, you must register within 5 days of the date you exceed the small-scale limits of £500 on any one day, or £7,500 within an accounting period. These limits refer to total stakes paid by players or total prizes won by them.