Please find below, links to all of our documents (correct as of 11.02.17):
Our Membership Form (2017/18): Membership Form
Our Current Constitution: 2016 ABTRA Constitution with Amendment
Our Proposed Constitution: 2017 Proposed ABTRA Constitution
We also have plans to upload our past minutes so that our members and interested persons can view them.
Hope this is helpful and as ever, feedback to the group is always welcome.