Legal analysis: 1. Door-to-door evidence collection investigations on credit cards are generally carried out by public security agencies, mainly to verify whether cardholders have committed credit card fraud. In addition to understanding the actual financial situation of the cardholder, door-to-door evidence collection will also negotiate the repayment plan with the bank.

2. Bank collection may also come to your door. Therefore, after the cardholder owes money, you can negotiate when the other party comes to show your willingness to repay and prove that your repayment ability is insufficient. Then there is Opportunity to apply for repayment deferrals and discounts.

Legal basis: "Measures for the Administration of Industry Standards of the People's Republic of China"

Article 1 is to strengthen the management of industry standards and ensure the coordination and unification of industry standards. According to the "Measures for the Administration of Industry Standards of the People's Republic of China" These measures are formulated in accordance with the provisions of the Standardization Law of the People's Republic of China and the Implementation Regulations of the Standardization Law of the People's Republic of China.

Article 2: Industry standards are standards formulated for technical requirements that do not have national standards but need to be unified within a certain industry across the country. Industry standards must not conflict with relevant national standards. Relevant industry standards should be coordinated and unified and should not be duplicated. Industry standards will be abolished after the corresponding national standards are implemented.

Article 3 The following technical requirements that need to be unified within the industry can be formulated as industry standards (including the production of standard samples):

(1) Technical terms, symbols, codes ( (including codes), file formats, drawing methods and other general technical languages;

(2) Variety, specifications, performance parameters, quality indicators, test methods and safety and health requirements of industrial and agricultural products;

(3) Design, production, inspection, packaging, storage, transportation, use and maintenance methods of industrial and agricultural products as well as safety and health requirements during production, storage and transportation;

( 4) Technical requirements for general parts and components;

(5) Product structural elements and interchange and coordination requirements;

(6) Survey, planning, design, construction and acceptance of engineering construction Technical requirements and methods;

(7) Technical requirements for information, energy, resources, transportation and management technology requirements