Getting a tax deduction for an allowed expense on your taxes is great. Making the mistake of claiming a deduction that is not allowed by the IRS can you get into trouble and a possible audit. For example, you can deduct the expense of a dinner with clients up to 50% of the bill only. If you claim more than the 50% allowed or you do not properly record the business purpose of the meeting, the deduction could be thrown out.
Travel is similar to entertainment were only the part of the travel that is business related can be deducted. … Read more at 2009 Taxes