As for liquidated damages, you can refer to the Labor Contract Law.
Article 22 Where an employing unit provides special training fees and professional technical training for laborers, it may conclude an agreement with the laborers to stipulate the service period.
If the laborer violates the service period agreement, he shall pay liquidated damages to the employer in accordance with the agreement. The amount of liquidated damages shall not exceed the training expenses provided by the employer. The liquidated damages that the employer requires the laborer to pay shall not exceed the training expenses that should be shared for the unfinished part of the service period.
In other words, "if the company pays the training fee 1200 yuan, the total amount of liquidated damages shall not exceed this amount; The agreed service period is 2 years, so your monthly training fee is 50. If you have served the company for 10 months when you leave your job, the penalty will be deducted from the cost of 10 * 50 yuan, and you only need to pay the penalty 700 yuan.
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