I think we're getting into S or C corp issues now. That's between you, your accountant and your partner. You should use the car legitimately for your business and be able to support that with some documentation. I was audited and the agent didn't care what brand was on the car, only that I used the right depreciation schedule.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.