What the New York Form CT-3-ATT (2012) Is For
New York Form CT-3-ATT (2012) is an attachment to Form CT-3 that certain corporations use to calculate investment capital, subsidiary capital, and related New York corporate franchise tax amounts. It helps separate these categories from regular business capital so the return reflects the correct New York tax treatment.
This form contains three schedules that apply depending on a corporation’s facts. Schedule B covers investment capital and investment income, Schedule C covers subsidiary capital and the subsidiary capital base tax, and Schedule D covers transition property adjustments for specific utility and energy taxpayers.
When You’d Use New York Form CT-3-ATT (2012)
A corporation files New York Form CT-3-ATT (2012) when it files Form CT-3 for the 2012 tax year, and it has investment capital, subsidiary capital, or qualifies for transition property adjustments. The form is required even when amounts are small, as it supports the classification and taxation of capital and income under New York rules.
This requirement also applies to late-filed and amended 2012 returns. If Form CT-3 is amended due to corrected investment values, ownership changes, or federal adjustments that affect New York amounts, the related CT-3-ATT schedules must be updated and attached to the amended filing.
Key Rules or Details for 2012
Investment capital and subsidiary capital are treated as separate categories under New York rules. A corporation should not report the same asset on both Schedule B and Schedule C, because the ownership level determines the classification for 2012. Attributable liabilities must be deducted from capital values reported on the form. This includes direct liabilities tied to acquiring investments and indirect liabilities allocated from general corporate debt, which helps prevent overstating New York capital tax bases.
Issuer allocation percentages apply to each investment or subsidiary listed. These percentages determine how much capital is allocated to New York and should reflect the issuer’s New York activity rather than the filer’s own allocation percentage. Schedule D is limited to specific taxpayers. Qualified public utilities, transferees, power producers, and pipeline corporations that own qualifying transition property placed in service before January 1, 2000, must make New York depreciation and gain or loss adjustments.
Step-by-Step (High Level)
Step 1: Confirm Filing Requirement
Confirm whether New York Form CT-3-ATT (2012) is required by reviewing Form CT-3 facts for 2012. Identify investment capital, subsidiary ownership exceeding 50% voting stock, or a transition property that triggers Schedule D.
Step 2: Complete Schedule B
Complete Schedule B when investment capital exists for 2012 reporting. Enter average values, subtract attributable liabilities, apply issuer allocation percentages, and compute investment income before allocation for proper New York treatment.
Step 3: Complete Schedule C
Complete Schedule C when subsidiary capital exists based on controlling ownership for 2012. Report subsidiary income items, compute allocated subsidiary capital, and calculate mandatory subsidiary capital base tax for transfer to Form CT-3.
Step 4: Complete Schedule D
Complete Schedule D only when a qualified utility or energy taxpayer status applies for 2012. Reconcile federal depreciation and gain or loss items with New York transition property depreciation amounts and required income adjustments.
Step 5: Attach and Reconcile Totals
Attach CT-3-ATT to Form CT-3 and reconcile totals to corresponding 2012 CT-3 lines. Review schedules for consistency, then retain supporting records for values, allocations, and liability attribution documentation.
Common Mistakes and How to Avoid Them
- Misclassifying capital between Schedule B and Schedule C: Classify items based on voting stock ownership percentage so controlling interests are treated as subsidiary capital rather than investment capital.
- Failing to reduce values by attributable liabilities: Allocate direct and indirect liabilities with documented support and reflect those reductions before computing net average value.
- Using incorrect issuer allocation percentages: Obtain issuer-specific allocation percentages when required instead of applying the corporation’s New York allocation percentage to every investment.
- Including qualified subchapter S subsidiary assets: Exclude QSSS-related stocks, bonds, and indebtedness from Schedule B and Schedule C when a valid QSSS election treats the entity as part of the parent.
- Incomplete depreciation tracking for Schedule D transition property: Maintain both federal and New York depreciation records for each asset, so that basis and gain or loss adjustments can be made later.
What Happens After You File
After the return is filed, New York State processes Form CT-3, which includes the attached New York Form CT-3-ATT (2012) schedules, and reviews the reported capital and allocation computations. Schedule B amounts can affect capital base and entire net income calculations, depending on how investment capital and investment income are reported on the primary return.
Schedule C has a distinct impact because the subsidiary capital base tax is assessed in addition to the regular franchise tax for 2012. Because this tax is calculated separately, a corporation should confirm that it is included and paid, even when another computation drives the primary tax base.
If the return is reviewed, New York may request substantiation for values, liability allocations, and issuer allocation percentages. A corporation should retain supporting schedules, valuation documentation, and ownership records so it can respond efficiently to a notice or examination request.
FAQs
Who must file New York Form CT-3-ATT (2012)?
A corporation filing Form CT-3 for the 2012 tax year must file this form when it has investment capital, subsidiary capital, or qualifying transition property adjustments that require Schedule B, Schedule C, or Schedule D.
Is New York Form CT-3-ATT (2012) required for corporations filing Form CT-4?
It is generally not required because Form CT-4 is designed for corporations with simpler New York-only activity and no investment or subsidiary capital, which are common triggers for CT-3-ATT schedules.
Can New York Form CT-3-ATT (2012) be filed separately from Form CT-3?
It cannot be filed separately because it is an attachment that supports amounts reported on Form CT-3. A corporation should include it with the CT-3 filing for the same tax year.
How does late filing work for New York Form CT-3-ATT (2012)?
Late-filed Form CT-3 filings must include CT-3-ATT when applicable, and any unpaid tax that results from Schedule C or other computations may be subject to penalties and interest.
Does an amended return require an amended CT-3-ATT?
It does when the changes affect investment values, subsidiary ownership, issuer allocation percentages, or computations for transition property depreciation and gain or loss. A corporation should recalculate the affected schedules and attach them to the amended filing.
Can the 2012 version be used for tax years other than 2012?
It should not be used for other tax years because New York publishes year-specific versions of these schedules. A corporation should use the form version that matches the tax year being filed or amended.

