| If your business owns a vehicle that is available for an employee's personal and business use, the vehicle is nevertheless considered used 100 percent for business on the business tax return. The personal-use percentage is included on the employee's W-2 as an additional compensation. |
| In 2010, premiums that are paid or accrued for "qualified mortgage insurance" in connection with home acquisition debt on your residence are deductible as home mortgage interest. |