The question of whether an employer can require an employee to work overtime involves balancing operational necessity with employee compensation and work-life balance. Employers often mandate extra hours to manage scheduling demands, especially during rushes or labor shortages. The answer to this common query is generally “yes,” though the specific circumstances, industry, and location introduce legal exceptions that limit an employer’s authority.
The General Rule for Mandatory Overtime
The baseline legal position in the United States grants employers broad authority to set the terms and conditions of employment, including the work schedule. This authority is rooted in the doctrine of “at-will” employment, recognized in most states. Under this doctrine, an employer can terminate an employee at any time for any reason that is not specifically illegal, such as discrimination or retaliation.
Federal law does not impose a maximum limit on the number of hours an employee aged 16 or older can be required to work in a workweek. Therefore, the employer’s right to demand overtime is well-established. Working overtime is considered a condition of employment in most at-will settings, and refusing a lawful request can be treated as insubordination.
The Critical Distinction: Non-Exempt vs. Exempt Employees
The framework of mandatory overtime and compensation is governed by the classification of employees under the Fair Labor Standards Act (FLSA). The FLSA divides the workforce into two categories: non-exempt and exempt.
Employees classified as “non-exempt” are covered by the FLSA’s minimum wage and overtime requirements. They must receive premium pay for working beyond 40 hours in a workweek. This group typically includes hourly wage earners and salaried workers whose duties do not meet the legal criteria for exemption.
Conversely, “exempt” employees are not entitled to overtime pay protections under the FLSA, even if they work more than 40 hours weekly. To be properly classified as exempt, an employee must meet three tests: they must be paid on a fixed “salary basis,” their salary must meet a minimum threshold, and they must perform certain “exempt job duties.” The minimum salary threshold is currently $684 per week, or $35,568 annually, though some states have higher minimums.
The “duties test” classifies an employee’s primary responsibilities into categories like executive, administrative, or professional. For example, the professional exemption applies to roles requiring advanced knowledge, while the executive exemption requires the primary duty to be managing the enterprise or a recognized department. An employer can legally require overtime from both non-exempt and exempt employees.
Legal Limitations and Exceptions to Mandatory Overtime
While the federal government does not cap working hours, state laws and contractual agreements can restrict an employer’s ability to mandate overtime. Several states, including California, New York, and Pennsylvania, limit or prohibit mandatory overtime in specific industries, most commonly healthcare. These laws are designed to prevent fatigue and ensure safety, allowing mandatory overtime only in cases of genuine emergencies or unforeseen disasters.
Contractual obligations also limit an employer’s power. Employees covered by a collective bargaining agreement, such as those in a union, may have provisions limiting mandatory overtime hours or requiring a minimum notice period. Furthermore, the Americans with Disabilities Act (ADA) may require an employer to consider mandatory overtime an unreasonable accommodation if a worker’s medical condition prevents them from working extended hours. These exceptions prevent termination for refusing overtime in protected circumstances.
Employer Obligations Regarding Overtime Compensation
When mandatory overtime is required of a non-exempt employee, the employer has a legal obligation to provide premium pay for those hours. Under the FLSA, any hours worked over 40 in a defined workweek must be compensated at a rate of at least one and one-half times the employee’s regular rate of pay. This “time and a half” calculation includes all forms of compensation.
The obligation to pay overtime applies even if the employee worked the hours without prior authorization or against a company policy prohibiting it. Although an employee may face disciplinary action for working “unauthorized” overtime, the employer cannot withhold the legally required premium pay for the time actually worked.
Consequences of Refusing Mandatory Overtime
For an employee who refuses a lawful mandatory overtime request, the consequences can be severe due to the at-will nature of most employment. Absent a specific contract, union agreement, or state law protecting the refusal, an employer is within their rights to treat the refusal as insubordination. This can lead to disciplinary action, ranging from a written warning to suspension and ultimately, termination.
The risk of termination is mitigated when the refusal falls under a protected exception. Examples include a refusal based on a documented medical accommodation under the ADA or a refusal protected by a state-level industry law. In these cases, termination for refusing mandatory overtime could constitute wrongful termination or illegal retaliation, shifting the legal risk back to the employer.

