Laws.com legal forms guide: itemized deductions form 1040 schedule A. The following instructional guide under the IRS will supplement these instructions: Step 1: You can only deduct medical and dental expenses that exceed 7.5 percent of the amount on form 1040 line 38. Refer to the instructional guide to see which expenses you can deduct, then take the following steps: a. Enter the amount from form 1040 line 38. b. Multiply line 2 by 0.075. c. Subtract line 3 from line 1. If line 3 is more, enter zero. Step 2: Check the appropriate on line 5 and enter the amount. Then take the following steps: a. Include state, local, and foreign taxes you paid for non-business purposes, but only if the taxes are based on the assessed value of the property. b. Enter the amount of personal property taxes. c. List other taxes and specify the type. d. Add lines 5 through 8. Step 3: On line 10, enter the home mortgage interest and points reported on form 1098. Then take the following steps: a. List mortgage interest not reported on form 1098 (see instructions) that you have paid to the former homeowner. b. List points not reported on form 1098 (see instructions for special rules). c. List the amount of mortgage insurance premiums after December 31, 2006 (see instructions). d. List investment interest and attach form 4952 (see instructions). e. Add lines 10 through 14. Step 4: On line 16, enter the amount for gifts by cash or check (see instructions for gifts over $250). Then take the following steps: a. Enter the amounts for gifts not by cash or check (see instructions). b. Carryover from the prior year. c. Add line 16 through 18. Step 5: On line 20, enter the amount of theft or casualty losses...