Prime brokerage agreement disclosure annex
The famous prime brokerage disclosure annex mandated by CASS 9.3. Note especially the second part, which refers explicity to the CF10a’s personal responsibility for making sure everything is tickety-boo. Which will mean your local CF10a might be inclined, almost imperceptibly, to obsess madly about your catalogue of prime brokerage disclosure annexes at every waking moment (yours or his).
Here's a summary:
9.3 in a Nutshell™ (CASS edition)
Template:Nutshell CASS 9.3
And here's the whole thing:
But check the original souce: CASS Chapter 9
Discussion
Note strictly speaking you only need a PBDA if you are rehypothecating client assets. If you don't custody assets, or you have no right to transfer them, you don't need to supply an annex.