As long as he has 3 TOs and Landings in the AC and has appropriate FAA license
And have flown the aircraft assymetric within the last 12 months,
and have knowledge of all the systems and procedures.
It's this sort of disinformation that led to so many N reg aircraft being non compliant that the rest of the world insisted on the FAA implementing SIC type ratings for international ops, as well as the insurance companies mostly wanting proper sim training.