According to the Civil Code, firstly, the content of the contract is legal, and it is best to use standard terms; Secondly, the identity of both parties is legal, which is not explained much; The third is that both parties have signatures or seals. It is not allowed to sign in person and others can not sign instead. The enterprise side should preferably be the legal representative. If not, the person in charge can also, or the person authorized by the legal representative (with a letter of authorization). It is better for the employee to print it by hand. The enterprise must use the contract seal or official seal, which is the one with numbers, or it will be invalid.
