What are the main methods to identify the time of handwriting formation? What are the requirements for the identification of handwriting formation time?

1. The judicial and technical personnel of the people's court shall review the appraisal time of the entrusted case and the qualification of the appraisal institution. If the time of signature and suspicion exceeds six months, the submitting unit is required to provide comparative samples.

2, can't use the self-provided samples of appraisal institutions to record the appraisal time. Because the differences between samples in paper and storage environment will affect the identification results.

3. Legal basis: Article 27 of People's Republic of China (PRC) Judicial Appraisal Procedure shall record the appraisal process in real time and sign it. It can be recorded by taking notes, recording, video recording, taking photos, etc. Records shall specify the main identification methods and processes, inspection, inspection and test results, and instruments and equipment used. The recorded contents shall be true, objective, accurate, complete and clear, and recorded written materials, audio-visual materials, etc. Should be stored in the appraisal file.