Legal analysis: when the house is registered under the names of both husband and wife or non-signatory, the buyer only signs the house sales contract with one husband and wife, and the signatory has not obtained the authorization of his spouse. At this time, it is not easy to assume that the buyer is in good faith. If a person who disposes of another person's property according to the person who has no right to dispose of it is ratified by the obligee or the person who has no right to dispose of it obtains the right to dispose of it after concluding a contract, the contract is valid. Therefore, without the consent of the seller's spouse, the effectiveness of the house sales contract signed under the above circumstances is to be determined. If the seller's spouse finally refuses to ratify the validity of the contract, the contract cannot be effectively handled.

Legal basis: Article 1062 of the Civil Code of People's Republic of China (PRC), the following property acquired by husband and wife during the marriage relationship is the common property of husband and wife, which belongs to husband and wife: (1) salary, bonus and labor remuneration; (2) Income from production, operation and investment; (3) Income from intellectual property rights; (4) Inherited or donated property, except as provided for in Item 3 of Article 1063 of this Law; (five) other property that should be owned by * * *. Husband and wife have equal rights to dispose of the same property.