Market Discount of Municipal Bonds
How would market discount of tax exempt
bonds be calculated in the case of a tax-exempt bonds that
was originally issued at a discount?
For example, the tax exempt bond that was
discussed in section 2 (Original Issue Discount or OID) was
issued at $4,628 on July 1, 2003, had a coupon rate of 5.00%,
and a yield to maturity of 6.00%. On July 1, 2004, the original
holder would have accrued $28.10 in original issue discount or
OID (calculated by multiplying the issue price by 3%, reducing
that amount for the actual interest paid, and repeating the
calculation for two semi-annual periods). Thus, the "adjusted
issue price" would be $4,656.10 ($4,628, plus the accrued
OID).
Assume the tax exempt bond holder sells the
tax exempt bond for $4,456.10 ($200 less than the adjusted
issue price). In that case, the new tax exempt bonds holder has
$200 of market discount. The new tax exempt bond holder will
continue to accrue the tax exempt OID at the same rate as the
prior holder (and for this purpose should consult IRS
Publication 1212 for the appropriate amount of OID that accrues
each period). Those amounts of OID will equal, in the
aggregate, $343.90 by the time the bond matures ($5,000 face
amount minus the adjusted issue price of $4,656.10). When the
second tax exempt bond holder adds that amount to his cost
basis of $4,456.10, he will have a final basis of $4,800 in the
bond. If the second tax exempt bonds holder holds to maturity,
he or she will thus recognize a gain of $200 ($5,000 proceeds
on maturity minus $4,800 basis). Since this gain is wholly
attributable to the market discount, the gain will be taxed as
ordinary income.
What if the second tax exempt bonds holder
sold the tax exempt bond prior to maturity? In that case, he
would have to determine his adjusted basis by starting with his
cost basis ($4,456.10), and adding to that the amount of OID
that has accrued (based on the original discount on the tax
exempt bond). If the tax exempt bonds holder would sell after
two years, the amount of OID that would accrue in the above
example would be $61.42 in those two years. Thus, the second
tax exempt bonds holder's basis would increase to $4,517.52. If
he sold the tax exempt bond for $4,600, he would have a gain of
$82.48. Part of that gain is attributable to the $200 market
discount at the time he bought the bond. That market discount
accrues on a straight-line basis at the rate of ($200 divided
by 9 years) or $22.22 per year. Since he has held the tax
exempt bond for two years, $44.44 of his gain is ordinary
income and the remaining $38.04 is long term capital gains.
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