Multiple Forms 4684 Casualties and Thefts can be used for a single casualty incident. TaxAct allows up to 20 copies of the Section A portion of the Form 4684 with four properties each, a total of 80 entries. TaxAct allows up to five copies of the Section B portion of the Form 4684 with four properties each, a total of 20 entries.

When multiple forms are used, each form will calculate separately the deduction on Line 11 (the smaller of $100 or the amount on Line 10). To avoid this when dealing with one casualty loss, summarize losses on one Form 4684 (i.e. typing in "household furniture" instead of listing "couch, chair, pillow, etc.").

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