No federal law forces a private employer to offer long-term disability insurance, so the core of long term disability employer responsibility only kicks in once a plan exists or once an employee’s serious health condition triggers other laws. From that point, employers sit at the intersection of ERISA, the FMLA, the ADA, COBRA, the tax code, and state law, with duties covering how the plan is run, whether the job is protected, whether health coverage continues, and how a return to work is handled.
The Family and Medical Leave Act gives eligible workers up to 12 weeks of unpaid, job-protected leave for a serious health condition but requires no wage replacement. The Americans with Disabilities Act requires reasonable accommodations for qualified employees with disabilities but does not require employers to buy disability insurance.1U.S. Department of Labor. Employment Laws: Medical and Disability-Related Leave Offering LTD is a choice; running it correctly is not.
Running the LTD Plan Under ERISA
Most employer-sponsored LTD plans are governed by the Employee Retirement Income Security Act. ERISA does not require the plan, but once one is in place, it sets binding rules on how it must be administered.
Fiduciary Duty
Anyone who exercises discretionary authority over the plan’s administration or assets is a fiduciary. Fiduciaries must act solely in participants’ interests, exercise prudence, follow the plan documents, and use plan assets only to provide benefits. They can be held personally liable for losses caused by a breach, and anyone handling plan funds generally must be covered by a fidelity bond.2U.S. Department of Labor. Understanding Your Fiduciary Responsibilities Under a Group Health Plan
Plan Documents and Disclosures
Participants must receive a Summary Plan Description within 90 days of coverage. The SPD explains benefits, eligibility, claims procedures, and appeal rights in plain language. Material changes to the plan must be communicated through a Summary of Material Modification.2U.S. Department of Labor. Understanding Your Fiduciary Responsibilities Under a Group Health Plan When an employee files a claim, the employer typically has to complete its portion of the application, verifying the last day worked, wages, and group-plan status.
Claims and Appeals Timelines
ERISA imposes strict deadlines. The plan must decide an initial disability claim within 45 days, with extensions of up to 30 days allowed if the plan notifies the claimant and explains why. A written denial must give a detailed explanation, cite the plan provisions relied on, and describe the appeal rights.3U.S. Department of Labor. Disability Benefits Claim Filing
The claimant has at least 180 days to appeal. The appeal must be reviewed by someone not involved in the initial denial, giving no deference to the earlier decision, and where medical judgment was in play, a qualified medical professional must be consulted. A plan cannot rely on new evidence or a new rationale at the appeal stage without giving the claimant notice and a chance to respond. Claim decisions must be impartial: the people deciding cannot be evaluated or paid based on how often they deny.3U.S. Department of Labor. Disability Benefits Claim Filing A claimant must generally exhaust this internal process before suing in federal court.
Fully Insured vs. Self-Funded
Most LTD plans are fully insured: the employer pays premiums and the carrier bears the risk. A minority of employers self-fund and pay claims from operating funds, sometimes with stop-loss coverage. Self-funded ERISA plans are exempt from state insurance regulation under the “Deemer clause,” so state coverage mandates and state bans on provisions like discretionary clauses do not apply to them.4Brightmine. What Happens When an Employee Goes on Long-Term Disability That distinction affects what an employer is on the hook for and what state rules it must follow.
Protecting the Job While the Employee Is Out
Paying LTD benefits does not, on its own, protect the employee’s job. Job protection comes from separate statutes, and each has its own reach.
FMLA Job Restoration
The FMLA applies to employers with 50 or more employees and gives eligible workers up to 12 weeks of unpaid, job-protected leave for a serious health condition. FMLA leave often runs concurrently with the LTD elimination period, meaning both clocks can tick together.5U.S. Department of Labor. Taking Leave When You or a Family Member Has a Health Condition At the end of FMLA leave, the employee must be restored to the same or a virtually identical position.6U.S. Department of Labor. Family and Medical Leave Act Once those 12 weeks are used, FMLA protection ends even if the employee is still on LTD.
ADA Leave as Accommodation
The ADA covers employers with 15 or more employees and can require additional unpaid leave as a reasonable accommodation beyond the FMLA’s 12 weeks, provided the employee has a disability and can eventually return to work. Employers cannot penalize an employee for using leave granted as an accommodation, and blanket policies that cap leave at a fixed period or demand a “100% healed” return may violate the law.7U.S. Equal Employment Opportunity Commission. Employer-Provided Leave and the Americans with Disabilities Act
There is a limit. The EEOC has said truly indefinite leave, where the employee cannot say whether or when they can come back, is an undue hardship and need not be provided. The analysis is fact-specific and weighs the length of leave, impact on operations and coworkers, and whether the employee can offer a reasonably definite return date.7U.S. Equal Employment Opportunity Commission. Employer-Provided Leave and the Americans with Disabilities Act
ERISA Anti-Retaliation
ERISA also prohibits retaliating against an employee for exercising rights under a benefit plan. Firing someone specifically because they filed an LTD claim exposes the employer to liability.4Brightmine. What Happens When an Employee Goes on Long-Term Disability Note that most LTD policies do not require continued active employment for benefits to continue, so lawful termination generally does not, by itself, cut off payments once a disability that began during coverage is established.
Health Insurance During and After Leave
Employees often ask whether the company must keep their health plan going while they are out. The answer moves through stages.
During FMLA-qualifying leave, the employer must maintain group health coverage on the same terms as if the employee were still working, for up to 12 weeks.6U.S. Department of Labor. Family and Medical Leave Act After FMLA is exhausted, no federal rule generally requires continued coverage. Employers with 50 or more full-time equivalents using the ACA’s look-back measurement method may need to keep coverage in place through the current stability period, because disability leave hours can count as hours of service. Some state paid family and medical leave laws also require continuation of group health coverage during leave.8NFP. FAQ: Health Coverage During Leave
When employer coverage ends, COBRA takes over. Employees at companies with 20 or more workers can continue their group plan for up to 18 months, and where the qualifying event involves disability the period can stretch to 29 months.9Guardian Life. Health Insurance and Long-Term Disability The employee pays the full premium, including any share the employer previously subsidized. If the employee qualifies for Social Security Disability Insurance, Medicare eligibility follows, typically after a 24-month waiting period from the date of SSDI eligibility.
Employers that want to extend health coverage beyond what the law requires should get advance written approval from their insurer, or their stop-loss carrier if the plan is self-funded, before promising it to the employee.8NFP. FAQ: Health Coverage During Leave
Return to Work and the Interactive Process
When the employee is ready to come back, the ADA obligations become concrete. The employer must engage in what the EEOC calls an “interactive process,” an informal dialogue aimed at identifying reasonable accommodations that would let the employee resume working. The request need not be in writing or use legal terms; a doctor’s note releasing the employee with restrictions is enough to trigger it.10U.S. Equal Employment Opportunity Commission. Enforcement Guidance: Reasonable Accommodation and Undue Hardship Under the ADA
Common accommodations include modified schedules, reallocation of non-essential tasks, assistive technology, and phased returns. Requiring an employee to be completely restriction-free before returning violates the ADA because it skips the question of whether accommodations would make the job possible.11JAN (Job Accommodation Network). Return to Work When a permanent accommodation is delayed, the employer should offer an interim fix.
If the employee cannot return to their old job even with accommodations, reassignment to a vacant position may be required as a last resort. The Supreme Court held in US Airways, Inc. v. Barnett that reassignment is a form of reasonable accommodation, but it will ordinarily be unreasonable if it conflicts with an established seniority system, absent “special circumstances” such as the employer regularly making exceptions to that system.12Cornell Law Institute. US Airways, Inc. v. Barnett, 535 U.S. 391 Where no seniority system is in play, the employer must consider reassigning the employee to any vacant role for which they are qualified, without making them compete against outside applicants.
Coordination With SSDI and Workers’ Compensation
Most LTD policies require the claimant to apply for Social Security Disability Insurance, and many reduce the monthly LTD benefit dollar-for-dollar by the SSDI amount. If the LTD benefit is $1,820 per month and SSDI pays $1,400, the LTD payment falls to $420.4Brightmine. What Happens When an Employee Goes on Long-Term Disability The offset runs one way: SSDI does not shrink because someone also receives private LTD.13Guardian Life. Long-Term Disability vs. Social Security
Because SSDI approvals often come after long delays, LTD payments bridge the gap. When SSDI is later approved retroactively, insurers typically demand repayment of the overpayment using the Social Security “Notice of Award” to calculate what is owed, and usually require repayment within 30 days or reduce future LTD payments instead. Attorneys’ fees paid to a Social Security disability lawyer are typically excluded from the offset.14NOLO. Long-Term Disability Insurance and Social Security Disability Back Pay
Workers’ compensation sits alongside LTD but covers different ground. It handles work-related injuries and illnesses, is mandated in nearly every state, and pays wage replacement and medical costs. LTD covers disabilities regardless of work-relatedness, replaces income only, and is voluntary.15New York Life. Disability vs. Workers’ Compensation Employees generally cannot collect both for the same condition at the same time, and LTD policies often reduce benefits by any workers’ comp received.
Tax Treatment the Employer Controls
Whether LTD benefits are taxable depends on who paid the premiums and how. Employer-paid premiums produce fully taxable benefits. Premiums paid by the employee with after-tax dollars produce tax-free benefits. When costs are shared, only the portion of benefits attributable to the employer’s premium share is taxable. One trap: if premiums flow through a cafeteria plan and the employee does not include the premium amount in taxable income, the IRS treats them as employer-paid, so benefits become fully taxable.16Internal Revenue Service. Life Insurance and Disability Insurance Proceeds Plan design decisions the employer makes today determine the tax outcome an employee faces during a period of reduced income.
Practical Steps That Keep Employers Compliant
Overlapping duties under ERISA, the FMLA, the ADA, COBRA, and state law all land on the same HR desk. A handful of habits keep them manageable:
- Keep job descriptions accurate and focused on essential functions, so accommodation and return-to-work decisions rest on current facts.
- Start the interactive process promptly when leave or accommodation is requested, and document each step.
- Evaluate every leave case individually. Automatic termination at a fixed leave length invites ADA liability.
- Set clear policies on how long a position is held open, when health coverage ends, and how return-to-work is handled, and communicate them in writing.
- Train supervisors to recognize when a conversation triggers FMLA or ADA duties, and to avoid tying medical conditions to performance reviews without proper documentation.
Employers who plan to extend coverage or benefits beyond the plan’s terms should confirm in writing with the insurer or stop-loss carrier before making the commitment, so an act of goodwill does not become an uninsured liability.8NFP. FAQ: Health Coverage During Leave