MAP20100063194 Facultative non-proportional reinsurance and obligatory treaties. Caution : faulty design. — Zurich : Swiss Reinsurance Company, cop. 2000 Sumario: The brochure explains how proportional treaties should interact with non-proportional facultative covers and aims to counter misunderstandings regarding so-called "treaty-compressions" 1. Reaseguro facultativo . 2. Contrato de reaseguro . 3. Cláusulas contractuales . I. Swiss Reinsurance Company .