We have a company here in the Netherlands (Amsterdam) doing our Netherlands taxes and a guy that we used last year in Los Angeles working on our U.S. taxes. We have to file The Netherlands first and then the U.S. taxes get filed with a copy of the Netherlands taxes attached.
The other day we received a letter from the person filing our Dutch income tax return. We had to file separately this year because I didn't move here full-time till last June. Andrew receives what is called a 30% ruling: