Legal analysis: the so-called "yin-yang contract" means that the parties to the contract conclude two or more contracts with different contents on the same matter, one for internal, one for external and one for external.
Both parties express their true intentions, but for the purpose of evading state taxes; The internal copy is the true meaning of both parties, which can be written or oral. "Yin-Yang Contract" is a violation,
While bringing "benefits" to the parties, it also indicates risks.
Legal basis: Article 490 of the Civil Code of People's Republic of China (PRC). If the parties enter into a contract in the form of a contract, the contract shall be established when the parties sign, seal or press their fingerprints.
Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it. The provisions of laws, administrative regulations or agreed by the parties.
If it is concluded in writing, a contract is established when one party has fulfilled its main obligations but the other party has accepted them.