Moving expenses are reported on IRS Form 3903, which is one of the simpler and more self-explanatory tax forms that you will run across. If you move to more than one location during the year, you'll need to fill out two forms.
The file is in Adobe portable document format (PDF), which requires the use of Adobe Acrobat Reader.
Adobe Acrobat Reader is available, without charge, at the Adobe website.
For more information, see our discussion of moving expenses.