3885a 2026

1. Click ‘Get Form’ to open the 3885a in the editor.
2. Begin by entering your name(s) and SSN or ITIN as shown on your tax return at the top of the form.
3. In Part I, identify whether the activity is passive or nonpassive by checking the appropriate box.
4. For Part II, enter the amount from line 12 of the Tangible Property Expense Worksheet in the designated field.
5. In Part III, list each property placed in service. Fill out columns (a) through (f) for description, date placed in service, California basis for depreciation, method, life or rate, and California depreciation deduction respectively.
6. Complete lines 4 through 8 based on your calculations for total California depreciation and federal depreciation.
7. Move to Part IV for amortization. Enter details for each cost similarly across columns (a) to (f).
8. Finally, sum up your totals in lines 10 through 14 to finalize your amortization figures.

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