Clint Edmonson has posted his work on C# and VB coding standards that he has assembled over the years. It is a great starting point if you are looking to employ and document your internal coding practices.
See the original post here:
http://www.notsotrivial.net/blog/post/2008/12/Holiday-Goodie-Bag-Free-C-and-VB-Coding-Standards-Reference-Documents.aspx