Advertisement certification is to indicate whether the subject qualification of the advertiser is legal and the advertising content is authentic, and legal certification documents, certificates and materials. According to the above definition, which of the following can be used as proof of advertising? ['Certificates issued in accordance with the law, demonstrating that the publisher has the qualifications for publishing advertisements.', 'Enterprise Legal Person Business License and Business Permit, which are approved and issued in accordance with the law, indicating that the advertising operator is engaged in business activities.', 'Approved and issued according to law, indicating that the advertiser has a "Production License Certificate" and a "Product Quality Certificate".', 'Administrative law enforcement power is the "Administrative Penalty Decision" made in accordance with law for advertising publishers, advertising operators and advertisers who illegally publish advertisements.']