Most casinos have some links to their promotional terms and conditions. These are usually at the bottom of every page of the site. All you need to do is to click on that link and you can see the terms and conditions of the bonuses. The easiest way to get these can also to contact the customer support of that particular site. They should be able to help you with where to get the terms and conditions if you don’t manage to find them on your own. The customer support is there to attend to your queries therefore you can ask them for help.