While working on a NIEM parser library I found that you can import XML namespaces at the project level. Previously I posted about doing this at the top of your .VB class file: Imports <xmlns:nc="http://niem.g... That allows you to use the prefix nc: in LINQ queries to work with NIEM documents. Well today I discovered you can add those at the project level. Right click your project and go to properties. In the properties window go to references. Near the bottom you can type...