Yes this is given to new accounts only and if they wanted to cash out then a wager+deposit requirements must be followed. You wont find it in the page because this is given on a specific timeline only. However in this case, since we're promoting brand awareness we're opening it indefinitely but would still subject to change if we find it's not working or attracts more abusers than actual players. We're open to any suggestions and best practice!
You can add the terms of using the bonus on your terms and conditions. And if you can add this to the terms then that will be helpful in two ways. Firstly your terms and conditions will be clear and at the same time it will work as a on page seo (search engine optimization). In this case why you will not add as it will not cost you anything. Also, you will just mention the terms of the using bonus not the amount of the bonus.