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Level 3
posted Feb 17, 2023 10:13:47 AM

Deducting Business Use of Shared Mobile Plan on Tax Return

​​I share a cellphone plan with a family member, but only the data is shared. We have separate voice and messaging services with separate fees (say, $10 each line). The majority of voice and message services on my line is used for business purposes, and I'm wondering if I can deduct my portion of the cellphone bill (the $10 per line part) as a business expense on my tax return, even though the plan is billed together with my family member. Any insights or advice on this matter would be greatly appreciated.
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1 Replies
Expert Alumni
Feb 17, 2023 10:26:45 AM

Yes. You can deduct the percentage of the cost of your plan that is related to business. If you use that portion 100% for business, you would deduct 100% of the expense; if you use it 90% for business, you would deduct 90% of the expense.