It's just that if there are any problems between the parties to the contract in the future, it will cause controversy. If the contract is signed by the boss himself, there is no dispute and the contract is legal and valid; But if it is signed by a salesman, if the boss is not satisfied with the performance of the contract and wants to cancel it, he will find an excuse to say: this contract was not signed by the boss. Our company only takes effect after the salesman signs it back and seals it for the boss. This time, the salesman signed it privately, without authorization, and it was an invalid contract. Otherwise, you see, the previous contracts were all stamped with a red seal, and this one was stamped and signed below.