FH: What does the Rigellian Sig Chip do?

Well, I was visiting Shadow, one of the pirate worlds, and found this interesting little gem. What does it do? I doesn't seem like a Fake ID. Does it let you buy Rigellian ships or something?

Shikata ga nai.
"...maybe God is on your side..."-The Hawk

It is a fake ID for the regellians I think

--The Eye is Upon you--
If you look long enough the Sun isn't that bright.