English to German Bus/Financial Insurance

General Requirements to Terms and Provisions of the Policies. All policies of insurance required to be maintained by either Party shall:

(a) for policies naming both Parties as insureds, provide a severability of interests clause and be deemed to constitute a separate contract with each insured;

(b) provide (whether by endorsement or otherwise) that such policies are *primary to and not excess to or on a contributing basis with* any insurance or self-insurance maintained by the other Party or the Party itself.

Es könnte auch Chinesisch sein .... Ich habe die Glossareinträge zu den Begriffen gesehen, aber weiß immer noch nicht, was genau gemeint ist. Vielen Dank für Eure Vorschläge.