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"The employer may not require the worker to pay a penalty for leaving employment prior to any agreed date. However, this restriction does not preclude the employer from seeking "liquidated damages" pursuant to relevant state law. Liquidated damages are generally estimates stated in a contract of the anticipated damages to the employer caused by the worker’s breach of contract."
Under this language, if the amount at issue represents a reasonable estimate of the employer's damages for early termination of the employment contract, the reimbursement provision (which is also a liquidated damages clause), would typically be enforceable.
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