When providing evidence to the people's court, the parties shall provide the original or the original.
If it is necessary to preserve the original and original evidence or it is really difficult to provide the original and original evidence, a copy or duplicate verified by the people's court may be provided.
Article 464 of the Civil Code
A contract is an agreement between civil subjects to establish, change and terminate a civil legal relationship.
Agreements on status relations such as marriage, adoption and guardianship shall be governed by legal provisions on such status relations; If there are no provisions, the provisions of this part can be applied according to their nature.