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You must recognize gain up to the amount of boot received. Boot is money and the fair market value of other property you receive in addition to the stock you receive in an exchange for your property.
In the example, you received $10,000 in cash (boot). Although your realized gain was $16,000 ($36,000 in stock and cash you received minus $20,000 in property you transferred), only the $10,000 cash payment must be recognized (reported) for tax purposes.
For gain recognition purposes, liabilities assumed by the corporation in an exchange are not treated as if you (the transferor) received money or other property from the corporation. Therefore, liabilities assumed by a corporation are generally ignored for gain recognition purposes.
However, if the liabilities assumed by the corporation exceed the adjusted basis of the property transferred to it, the amount by which such liabilities exceed the adjusted basis of the property is taxable gain.
In an exchange, certain items may increase or decrease your stock basis.
A shareholder must increase his stock basis by the amount of his recognized gain on an exchange. Therefore, in the above example, you must increase your stock basis by the recognized gain of $10,000.
For basis reduction purposes in an exchange, liabilities assumed by the corporation are generally treated as if you received money. Therefore, liabilities assumed by the corporation generally reduce your stock basis.
For example, if you transfer property to a corporation and the property is subject to a mortgage, if the corporation assumes the mortgage your stock basis is reduced by the amount of the mortgage it assumed.
However, if the liability being assumed is of the type that would give rise to a deduction by the corporation, then, your basis would not be reduced by this type of liability. Accounts payable assumed by a corporation from a cash basis taxpayer is a type of liability that could give rise to a deductible expense on the corporation's books after an exchange took place.
For example, if a taxpayer on a calendar year using the cash method of accounting purchases $100 worth of office supplies in December with payment due in January of the following tax year.
As of December, a cash method taxpayer would not have recorded the transaction on books of the business since expenses are only recorded when actually paid.
If an exchange took place in December and the cash method taxpayer transferred the $100 liability for the office supplies to the corporation and the corporation assumed the liability and paid the $100 in January of the following year, the corporation would record the $100 expense on its books in January for the office supplies. Therefore, this is a liability that would give rise to an expense, and it would not reduce your stock basis.
Tax rules also require you to reduce your stock basis up to the amount of boot you receive in an exchange. In the above example, you must reduce your stock basis by $10,000, the mount of cash (boot) you received.
Your basis in the stock you received after the exchange is $14,000.
The corporation's basis in the property it received is $30,000.
Tax rules say, the corporation must increase its basis in the property it receives by the gain recognized by the shareholder.
Don't confuse recognized gain with realizedgain. Recognized gain is the part of the realized gain that must be reported on your income tax return. In the above example, recognized gain was $10,000 and is the amount of gain you must report for tax purposes. Realized gain is the total gain and may not necessarily be recognized for tax reporting purposes. In the above example, $16,000 was the realized gain.