according to the company law, the regulations on the administration of enterprise registration, the regulations on the administration of individual industrial and commercial households, and the change of business license, a legal representative cannot engage in business activities during his operation. Only after the change of legal representative is handled can he engage in business activities, and he can apply to the industrial and commercial department for change by submitting an application form for change registration, a copy of his ID card, an amendment to the articles of association, an original and a duplicate of his business license and other related materials!