1. There is evidence to prove that the other party knew and agreed by default when signing the contract. The contract is valid.
2. If there is no evidence to prove that the other party knows and agrees by default, the contract is invalid. The loss is compensated by signature.
According to the law, the house is the joint property of husband and wife, and the husband and wife should sign a contract when renting a house. But in reality, it is usually signed by the husband or wife, so there is no dispute. If there is a dispute, the contract may be invalid.
Extended data:
"Measures for the Administration of Commercial Housing Lease" Article 7 The parties to housing lease shall conclude a lease contract according to law. The contents of the house lease contract shall be agreed by both parties, and generally include the following contents:
(a) the name and domicile of the parties to the house lease;
(2) Location, area, structure, ancillary facilities, furniture, household appliances and other indoor facilities;
(3) The amount and payment method of rent and deposit;
(four) the purpose and use requirements of the leased house;
(five) the safety performance of houses and indoor facilities;
(6) Term of lease;
(seven) housing maintenance responsibility;
(eight) payment of property services, water, electricity, gas and other related expenses;
(nine) dispute resolution and liability for breach of contract;
(10) Other agreements.
The parties to a house lease shall stipulate in the house lease contract the measures to be taken when the house is expropriated or demolished. The construction (real estate) management department may, jointly with the administrative department for industry and commerce, formulate a model text of the house lease contract for the parties to choose.
Baidu Encyclopedia-People's Republic of China (PRC) Contract Law