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Reviewed by: William McLee
Reviewed date:
January 15, 2026

What the New York Form CT-3-ATT (2014) Is For

New York Form CT-3-ATT (2014) is an attachment used by certain general business corporations that file Form CT-3 and must report investment capital, subsidiary capital, or specific utility-related adjustments. It supports detailed computations that do not fit on the primary return and helps the Tax Department verify how key amounts were calculated.

This form generally involves Schedules B, C, and D. Schedule B reports investment capital and related income, Schedule C reports subsidiary capital and related income, and Schedule D applies only to qualifying utility-related entities with specialized transition property adjustments under New York rules.

When You’d Use Form CT-3-ATT

A corporation uses this attachment when it is required to provide detailed reporting for investments or subsidiaries that exceeds what Form CT-3 captures. Filing is typically required when a corporation holds qualifying investment securities or has ownership in another corporation that meets New York’s subsidiary threshold.

Late or amended filing follows the same requirement logic as the primary return. If Form CT-3 must be filed late or amended and the changes affect investment capital, subsidiary capital, or related income, the corporation should include an updated New York Form CT-3-ATT (2014) with the corrected figures.

Key Rules or Details for 2014

Investment capital generally includes qualifying stocks, bonds, and other securities held for investment purposes, provided the corporation owns 50 percent or less of the issuing corporation’s voting stock. Certain items are excluded, including subsidiary stock and assets held as inventory for sale to customers, since those do not qualify as investment capital under New York franchise tax rules.

Subsidiary capital generally applies when a corporation owns more than 50 percent of another corporation’s voting stock, and the ownership test is based on beneficial ownership rather than record title alone. For 2014, corporations typically compute average values over the tax year and apply New York allocation concepts to determine the portion of capital that is treated as allocated to New York for tax computation purposes.

Step-by-Step (High Level)

Schedule Overview

Form CT-3-ATT is divided into schedules that support capital and income computations used on Form CT-3. Most corporations focus on Schedule B and Schedule C, while Schedule D is limited to narrow categories of utility-related entities.

Filing Requirements

A corporation must attach New York Form CT-3-ATT (2014) to Form CT-3 when the corporation has reportable investment capital, reportable subsidiary capital, or qualifying Schedule D adjustments. The attachment should be filed with the same tax year return and should match the transferred amounts shown on the primary franchise tax return.

Schedule B

Schedule B, Part 1, is used to list investment securities and compute investment capital using average values for the tax year. The computation generally requires subtracting liabilities attributable to investment capital and applying allocation concepts to determine amounts treated as allocated to New York.

Schedule B, Part 2, reports investment income, such as interest, dividends, and capital gains or losses, from investment capital. Deductions must be appropriately allocated when expenses relate partly to investment activity and partly to general business activity.

Schedule C

Schedule C reports subsidiary income and subsidiary capital when ownership exceeds the more than 50 percent voting stock threshold. It generally requires identifying each subsidiary and computing average values, net of liabilities attributable to subsidiary capital, to support the subsidiary capital base tax computation on Form CT-3.

The subsidiary capital base tax is computed using the applicable tax rate and is added to the overall franchise tax due. Errors in ownership percentages, valuation, or liabilities can alter the subsidiary capital base tax amount and impact the total tax liability.

Schedule D

Schedule D applies only to qualifying public utilities, power producers, and pipeline corporations that have transition property and must make special adjustments. These computations are specialized and are not required for most general business corporations.

A corporation that does not meet the statutory definitions for Schedule D should not complete it. Completing Schedule D without meeting the qualification standards can create inconsistencies that lead to correspondence from the Tax Department.

Common Mistakes and How to Avoid Them

  • Misclassifying assets as investment capital when they are held for sale or otherwise ineligible: Classify each asset based on its actual use and the applicable rules before reporting it as investment capital.

  • Treating an interest as subsidiary capital when ownership is 50% or less: Confirm voting stock ownership exceeds 50% before reporting an interest as subsidiary capital.

  • Using book value or a year-end snapshot instead of averaging values: Average values over the tax year using a consistent method that aligns with the corporation’s accounting practice.

  • Misallocating liabilities between direct and indirect liabilities: Tie direct liabilities to the assets they funded and allocate indirect liabilities using a consistent, supportable method that matches New York reporting expectations.

  • Applying issuer allocation concepts with outdated or unsupported percentages: Use current issuer-related allocation data when required and retain documentation instead of applying default percentages without support.

What Happens After You File

After filing, the Tax Department processes Form CT-3 and reviews the attachment for mathematical consistency and internal agreement between schedules and the primary return. If figures transferred from Schedule B or Schedule C do not match the amounts shown on Form CT-3, the return may be flagged for follow-up.

If discrepancies are identified, the corporation may receive a notice requesting clarification, supporting documentation, or corrected computations. If the corrections increase the tax due, the corporation may owe additional tax, interest, and penalties depending on the circumstances and the timeliness of any corrective filing.

FAQs

Who must file New York Form CT-3-ATT (2014)?

A corporation filing Form CT-3 must file this attachment if it has reportable investment capital, reportable subsidiary capital, or qualifying Schedule D adjustments under New York rules.

Is the attachment required if the corporation has no investments or subsidiaries?

A corporation generally does not file the attachment if it has no reportable investment capital, no subsidiary capital, and no Schedule D adjustments for the tax year.

Does exactly 50 percent ownership create subsidiary capital?

No, subsidiary capital generally requires more than 50% ownership of the voting stock. Exactly 50 percent ownership is usually treated differently and may be reported as investment capital when applicable.

Can Form CT-3-ATT be filed by itself?

No, the attachment is filed as part of a complete franchise tax return and is generally submitted with Form CT-3 for the same tax year.

When is an amended CT-3-ATT needed?

An amended attachment is generally needed when an amended Form CT-3 changes items that flow from Schedule B, Schedule C, or Schedule D. The attachment should reflect the corrected investment or subsidiary amounts and related income figures.

How long should records be kept?

A corporation should retain records supporting the computations for at least three years after filing. Records may need to be kept longer if items are carried forward or if the return is under review.

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