Chekov just raises his eyebrows, clearly confused.

But she moves on to a new subject so he doesn't have to admit ignorance.

"Stark Industries. I will talk to Miss Potts as soon as I can." He smiles slightly. "We do not have regulations dealing with something like this. I will ask his opinion, at least."

It's not like it could interfere with his work-- no Enterprise here to work on, after all.