Check this out, the IRS provides you with how they audit over 50 technical areas at:
from areospace to wine. Pretty cool to know how the IRS will approach this area.
About the author
Mike Gregory is a professional speaker, an author, and a mediator. You may contact Mike directly at firstname.lastname@example.org and at (651) 633-5311. Mike has written 12 books (and co-authored two others) including his latest book, The Collaboration Effect: Overcoming Your Conflicts, and The Servant Manager, Business Valuations and the IRS, and Peaceful Resolutions that you may find helpful. [Michael Gregory, ASA, CVA, NSA, MBA, Qualified Mediator with the Minnesota Supreme Court]