What evidence preservation measures are there?

In view of relevant evidence preservation measures, we should pay attention to the following elements:

1. Perform obligations and keep vouchers.

During the performance of the contract, both parties should keep evidence materials.

Evidence when signing a contract, including: contract, contract attachments, engineering drawings, bidding documents and supplementary agreements; Business license, qualification certificate, power of attorney, bank account number, address, telephone number, contact person, etc.

In the actual performance process, keep your own performance evidence, including: delivery voucher, acceptance voucher, contract change voucher, prescription voucher, delivery voucher and payment voucher.

2. The other party breaches the contract and fixes the evidence.

Keeping the contract and its annexes; Keep the bank remittance voucher; Keep the waybill; Save the transport documents; Reservation of objection; Maintain communication between the two parties; Keep e-mail; Retain the supplementary agreement; Keep the lawyer's letter.

Note: keep the original evidence; Make good use of notarization to keep evidence (keep fax, QQ records, WeChat, SMS, audio recording, other written materials or electronic records).

3. Fixation of recorded evidence

If you secretly record the audio-visual evidence obtained during face-to-face or telephone communication with the other party, it is generally considered to be valid evidence obtained legally.

If audio-visual evidence is obtained by placing illegal recording equipment in another person's residence or workplace, or by other illegal means, it is generally considered that it is not legally obtained and is invalid.

Pay attention to the fixation of recording evidence: the choice of recording time and place, the choice of recording equipment, mention the other party's company, name and caller's name as much as possible, and the time recorded in the recording to guide the other party to say the year, month and day; Before making a phone call, draft an outline of the contents of the phone call; Important recorded evidence shall be notarized by a notary office for evidence preservation.

The above knowledge is the relevant answer to the question "What are the evidence preservation measures?". If you still have relevant legal issues, you can pay attention to non-litigation and private letter consultation.