If I'm not mistaken, this is the same issue run into by the creators of Trifecta: http://news.ycombinator.com/item?id=4896805

> While we were ready to submit Trifecta at the beginning of November, we ran into issues due to how hard Apple makes it for a pair of developers to release an app together. To do so and have both of us credited we had to form a company (R&K Labs) and obtain a D.U.N.s number which took us a month.