Legal analysis: It is necessary to analyze specific problems and whether witnesses are needed depends on the actual situation. If the parties are willing to sign and confirm the on-site record, no witnesses are needed. If there are witnesses, the evidence recorded at the scene will be more powerful. If the parties are unwilling to sign and confirm the on-site transcripts, it shall be implemented in accordance with the administrative punishment procedures of the Administration for Industry and Commerce.

Legal basis: Article 43 In the process of investigation and evidence collection, the case-handling personnel ask the parties to sign, seal or confirm by other means, and if the parties refuse to be present, sign, seal or confirm by other means, or the parties cannot be found, the case-handling personnel shall indicate the reasons in the transcripts or other materials, and invite relevant personnel as witnesses when necessary.