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J.K. Lasser's Your Income Tax 2013: For Preparing Your 2012 Tax Return by J.K. Lasser Institute

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15.12 Earmarking Use of Loan Proceeds For Investment or Business

The IRS has set down complex record keeping and allocation rules for claiming interest deductions on loans used for business or investment purposes, or for passive activities. The rules deal primarily with the use of loan proceeds for more than one purpose and the commingling of loan proceeds in an account with unborrowed funds. The thrust of the rules is to base deductibility of interest on the use of the borrowed funds. The allocation rules do not affect mortgage interest deductions on loans secured by a qualifying first or second home (15.1).

Keep separate accounts for business, personal, and investment borrowing. For example, if you borrow for investment purposes, keep the proceeds of the loan in a separate account and use the proceeds only for investment purposes. Do not use the funds to pay for personal expenses; interest is not deductible on personal loans other than qualifying student loans (Chapter 33). Furthermore, do not deposit loan proceeds in an account funded with unborrowed money, unless you intend to use the proceeds within 30 days of the deposit. By following these directions, you can identify your use of the proceeds with a specific expenditure, such as for investment, personal, or business purposes, and the interest on the loan may be treated as incurred for that purpose. The 30-day rule is discussed below.

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Planning Reminder
Keep Loans Separate
To safeguard your investment ...

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