Tax reporting for NQDC plans: A guide for deferred compensation arrangements

Nonqualified deferred compensation (NQDC) plans present unique tax reporting requirements that demand careful attention from employers and plan sponsors. Understanding these requirements is essential for maintaining compliance and optimizing the benefits of your compensation programs.

Key considerations in tax reporting

Tax reporting for NQDC plans is influenced by several factors, including distinctions between income tax and FICA/FUTA withholding, the status of plan participants (employees versus independent contractors), and the design of the plan itself. Defined contribution plans, which specify contributions rather than benefits, are subject to particular rules and timing requirements — further, withholding and the associated tax reporting are the responsibility of the plan sponsor.

Income tax withholding

Contributions to NQDC plans — whether employer-funded or employee elective deferrals — are not subject to income tax withholding until they are distributed. This applies regardless of vesting status. Distributions are reported as income in the year they are paid, using Form W-2 for employees and Form 1099-NEC for independent contractors. Most states adhere to federal guidelines, but it is advisable to confirm any state-specific variations.

FICA, FUTA and State Unemployment Tax reporting

NQDC plans are subject to both a “special timing rule” and a “general timing rule” for FICA/FUTA reporting:

• Special timing rule: Most NQDC amounts are included for FICA purposes when they are earned, vested, and reasonably ascertainable, even if payment occurs later. This often benefits employees, as FICA taxes are typically maximized during active employment, reducing future tax liability on plan growth.
• General timing rule: When applicable, FICA taxes are imposed when wages are actually or constructively received.
• Independent contractors: The special timing rule does not apply; instead, independent contractors are subject to SECA under the general timing rule.

Defined contribution plan reporting

For defined contribution plans, the account balance is always ascertainable. The timing for FICA withholding depends on vesting:

• Employer contributions are included for FICA/FUTA when services are performed or when contributions are vested.
• Employee elective deferrals, typically 100% vested, are included for FICA in the year of deferral.
• For partially vested accounts, employers must annually calculate changes in the vested portion and remit FICA/FUTA taxes accordingly.

Form W-2 reporting

• Social Security wages are reported in Box 3, and taxes withheld in Box 4.
• Medicare wages are reported in Box 5, and taxes withheld in Box 6.
• Changes in vested amounts from prior years are reported in Box 11, Nonqualified Plans.

Independent contractor reporting

Deferrals and employer contributions for independent contractors are not taxed at the time of deferral. Taxes are paid when distributions are made, reported on Form 1099-NEC.

Section 409A compliance

NQDC plans must comply with Section 409A reporting requirements, including annual deferral reporting and reporting of amounts taxable due to plan violations. While deferral reporting is currently suspended pending further IRS guidance, violations must be reported using Code Z on Form W-2 for employees and Box 14 on Form 1099-MISC for nonemployees.

Best practices for employers

To avoid penalties and adverse tax consequences, employers should:

• Ensure all deferred compensation arrangements comply with Section 409A.
• Monitor vesting schedules and account balances for accurate tax reporting.
• Consult with legal, tax and financial professionals to address complex scenarios and maintain compliance.

Additional information

For further details, please refer to the IRS General Instructions for Forms W-2 and W-3.

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