1, false signature, if there is any dispute, bring a lawsuit to the court, and when it appears as evidence, if it is found to be false signature, it is a crime of perjury, and the people's court may impose a fine and detention according to the seriousness of the case; If the case constitutes a crime, criminal responsibility shall be investigated according to law;
2. The legal basis is the Civil Procedure Law.
Article 111 If a litigant participant or other person commits one of the following acts, the people's court may impose a fine or detention according to the seriousness of the case; If the case constitutes a crime, criminal responsibility shall be investigated according to law:
(1) Forging or destroying important evidence, which hinders the people's court from hearing a case;
(2) using violence, threats or bribes to prevent witnesses from testifying or instigating, bribing or coercing others to commit perjury;
(3) Hiding, transferring, selling off or destroying the property that has been sealed up or detained, or transferring the property that has been counted and ordered to be kept;