Tax Law, §§ 606(g)(9), 606(l)(3), 612(b), 617-a
The following items are to be added to Federal adjusted gross income in determining the New York adjusted gross income of a resident individual:
Example:
Interest income received by a resident individual on bonds of the State of California must be added to such individual's Federal adjusted gross income in arriving at such individual's New York adjusted gross income, as this interest income is subject to New York State personal income tax, but not to Federal income tax.
Example:
Where New York City unincorporated business income tax was deducted in determining Federal adjusted gross income, the amount of such tax must be added to Federal adjusted gross income, since income taxes are not deductible for New York State personal income tax purposes. Where, however, a particular tax is not deducted in determining Federal adjusted gross income but is credited against the amount of Federal income tax, no addition is necessary. For example, where the amount of foreign income tax is credited against the total Federal income tax of a taxpayer, no modification need be made for the amount of such income tax credit since it was not deducted in determining Federal adjusted gross income.
Example:
A dealer in United States securities borrowed $100,000 from a bank to purchase a new issue of United States Treasury certificates for ultimate sale to such dealer's customers. In determining his Federal adjusted gross income, such dealer includes the interest income received on these certificates and deducts as a business expense the interest payable on the bank loan. However, the interest income received on the certificates is not subject to New York State personal income tax and is subtracted from Federal adjusted gross income in determining New York adjusted gross income (see section 112.3[a] of this Part). Conversely, the interest expense incurred on the bank loan used to purchase these certificates is not deductible for purposes of New York State personal income tax and must be added to Federal adjusted gross income in computing New York adjusted gross income.
Example 1:
A dealer in United States and municipal securities received $20,000 of interest income on United States bonds (fully taxable for Federal income tax purposes) and $30,000 of interest income on state and local bonds, $5,000 of which represented interest income on bonds issued by the City of New York. Expenses of the taxpayer (other than interest expense) attributable to the production and collection of such interest income amounted to $7,500, consisting of $1,500 attributable to the United States bond interest income, $4,500 attributable to the state and local bond interest income, and $1,500 attributable to both types of interest income. In determining Federal adjusted gross income, the taxpayer included the interest income on the United States bonds and deducted as business expenses the collection expenses of $7,500. For New York State personal income tax purposes, the modifications based on the foregoing income and expense items which are to be made in determining New York adjusted gross income are as follows:
Expenses allocated to Federal bond interest | Expenses allocated to state and local bond interest | |
Direct expense | $1,500 | $4,500 |
Indirect expense | ||
prorated $1,500 × $20,000 $50,000 = | 600 | |
$1,500 × $30,000 | ||
$50,000 = | 900 | |
Total | $2,100 | $5,400 |
Apportionment of expense allocated to state and local bond interest | ||
Allocable to New York City bond interest: | $ 5,000 × $5,400 = | $900 |
$30,000 | ||
Allocable to other than New York City bond interest: | $25,000 × $5,400 = | $4,500 |
$30,000 | ||
Allocable to exempt income | ||
Expense allocable to Federal bond interest as above | $2,100 | |
Expense allocable to New York City bond interest as above | 900 | |
Total allocable to exempt bond interest | $3,000 |
Example 2:
An individual engaged in business as a building contractor owns United States bonds which such individual regularly posts as security in lieu of performance bonds to guarantee completion of contracts entered into in the course of such individual's business. When such bonds are purchased at a premium, it is the taxpayer's regular practice to amortize the bond premium in accordance with the provisions of the Internal Revenue Code. Under these circumstances, the amortization of bond premium is deductible in arriving at Federal adjusted gross income since it is a deduction attributable to a trade or business. Since the interest income on the bonds involved is not subject to New York State personal income tax and is subtracted from Federal adjusted gross income in determining New York adjusted gross income (see section 112.3[a] of this Part), the taxpayer is required to add to Federal adjusted gross income the amount of any deduction for amortization of bond premium reflected therein with respect to the tax-exempt United States bonds.
N.Y. Comp. Codes R. & Regs. Tit. 20 § 112.2