Brad smith works for ghi firm. ghi firm is a registered broker-dealer in state a, b and c and a registered ia in state a. brad is a registered iar in state a, and travels to state b because he wants to meet with some potential new clients in state b. brad sets up an office in a hotel room, meets with the potential clients, and gives them advice about their portfolio.

[a] this is acceptable because the ghi firm is registered as a b/d in state b.
[b] this is unacceptable because brad is not registered in state b.
[c] this is acceptable because brad does not have an office in state b.
[d] this is unacceptable because brad is not an agent.