It is a really good idea to make sure that everyone in your blockading group, whether they intend to risk arrest or not, is carrying a Bust Card.
A Bust Card should list:
We have here available a template for a bust card. Feel free to customize it or to do your own. Our template has the basic legal advice on the back and the contact info on the front, so you could use our template for the back but do your own front from scratch. It's a good idea to customize the card (and maybe print on coloured paper/card) so that it doesn't get mixed up with another groups bust cards if you are overlapping with another group.
We provide our template bust card in three formats:
For more info on the differnet formats and how to view them see here.