Responsibility of intermediary service providers: form of accommodation self-assessment and referrals for host organisations. The invention relates to the extensible hosting of user solutions. Provision of other infrastructures for accommodation and information technology Certification body for host organizations a lacces control in the accommodation area and a journal for the choice of States for common services The invention relates to the management of consumer expenses for the hosting of computer applications. CERTIFICATION SYSTEM OF TRANSMISSION AND HOSTING BODIES Data processing, hosting and related activities. This invention relates to the systems and procedures for hosting an auction. . . .