44EU/26 Exchange and extension of core network components

Proof of business registration, extract from the trade register and registration in the crafts role (craft card) or at the Chamber of Commerce and Industry As preliminary proof of the required information serves the proof of the prequalification, the Form 124 or the uniform European self-declaration.

- Proof of professional and company liability insurance by certification of insurance - Declaration on the company's turnover in the last three financial years, insofar as it concerns services comparable to the service to be awarded including the share of services carried out together with other companies - Certificate of safety of the collective social security fund, if the company is liable for contributions - Certificate of safety of the tax office or Certificate in tax matters, if the tax office issues such a certificate - Certificate of safety of the professional association of the competent insurance institution with indication of the wage amounts Proof of the prequalification, Form 124 or the uniform European self-declaration serves as preliminary proof of the required information

- three references from the last five years with at least the following information: contact person; the type of service performed; Order amount;Execution period;Keyword-like designation of the relevant scope of services carried out with own staffConfirmation of the client on the contractual execution of the service. Preliminary proof of the required information is the proof of the prequalification, the Form 124 LD or the uniform European self-declaration