Pro-forma application letter which can be used by CoST members wishing to join the initiative. For more information please visit the Joining CoST section.
![](https://infrastructuretransparency.org/wp-content/uploads/2018/05/Layer-70-e1529658938803.jpg)
Pro-forma application letter which can be used by CoST members wishing to join the initiative. For more information please visit the Joining CoST section.