Legal basis: Some provisions of the Supreme People's Court on evidence in civil proceedings.
Twenty-second investigators in the investigation and collection of computer data or audio-visual materials, etc., should require the respondents to provide the original carrier of relevant information. If it is really difficult to provide the original carrier, a copy can be provided. If a copy is provided, the investigator shall explain its source and production process in the investigation record.
Article 70 If a party objects to the following evidence and there is no evidence to the contrary, the people's court shall confirm it:
(1) The original documentary evidence or the photocopies, photos, duplicates and excerpts verified with the original documentary evidence;
(2) Original material evidence or photocopies, photos, video materials, etc. Consistent with the original material evidence;
(3) Legally obtained audio-visual materials supported by other evidence, or copies confirmed with the audio-visual materials;
(four) the parties apply to the people's court to make material evidence or on-site inspection records in accordance with legal procedures.