The two major mountains ranges in Europe are the Alps, which stretches across much of the continent, and the Ural Mountains which divides the continent from Asia.here are many major rivers which are located in Europe. Some of  the largest include the Volga, Danube, Ural, and Dnieper rivers.
Principal Place of Business. You can claim business mileage deductions if you run a business or work as an independent contractor. Before calculating your business mileage, determine your principal place of business. This is the place from which you work most of the time. If you have an office, then your principal place of business is your office.
In addition, the business standard mileage rate cannot be used for more than four vehicles used simultaneously. These and other requirements for a taxpayer to use a standard mileage rate to calculate the amount of a deductible business, moving, medical, or charitable expense are in Revenue Procedure 2010-51.n addition, the business standard mileage rate cannot be used for more than four vehicles used simultaneously. These and other requirements for a taxpayer to use a standard mileage rate to calculate the amount of a deductible business, moving, medical, or charitable expense are in Revenue Procedure 2010-51.