Here are the sentences divided and corrected: 1. Laws dot-com legal forms guide standard deduction for certain filers schedule L. 2. You should only file this form if you are increasing your standard deduction by certain net disaster losses or new motor vehicle taxes paid in 2010 for certain vehicles you purchased in 2009. 3. You need to attach this form to form 1040 A or 1040. 4. Step 1: For line 3, your earned income includes wages, salaries, tips, professional fees, scholarships, and other personal compensation. 5. Form 1040 filers can find this amount on lines 7, 12, and 18 minus the amount on line 27. 6. Form 1040A filers can find this amount on line 7. 7. Step 2: For line 6, your standard deduction increases by a loss from a disaster after 2007 but which occurred before 2010, and you could not deduct it in the year because you are not sure whether a part would be reimbursed. 8. This value is shown on Form 46 84 on line 17. 9. Step 3: If you checked YES on line 7, you may be able to include some or all of the state or local taxes you paid in 2010 for a new motor vehicle. 10. If the amount on Form 1040 line 38 is equal to or greater than $135,000, you cannot include these taxes. 11. In states with no sales tax, you may be charged other taxes or fees on the purchase of a new motor vehicle that is similar to a sales tax. 12. See the specific instructions for more information. 13. Step 4: On line 8, enter the cost of the new motor vehicle. 14. Do not include any state, local, or excise taxes entered on line 7. 15. Step 5: If you checked yes in line...