to cancel the contract

• If party b asks to cancel the contract due to events beyond control , it should produce certifications by the department concerned , obtain party a ' s consent , and pay its own return expenses ; if party b cancels the contract without valid reason , it should pay its own return expenses and pay breach penalty to party a
  受聘方由于不可抗拒原因要求解除合同，需出具有关机构证明，经聘方同意后，离华的费用自理；受聘方若无故解除合同，除离华费用自理外，还应当向聘方支付违约金。