The foundation's purpose is the collective investment and management of the assets entrusted to it by institutions as per Art. 6 (hereinafter referred to as "investors"). The circle of investors of the foundation is limited to the following institutions: a) tax-exempt pension institutions domiciled in Switzerland and other tax-exempt institutions based in Switzerland that serve the purpose of occupational pension provision; b) legal entities that manage collective investments of the institutions referred to in letter a), are supervised by the Swiss Financial Market Supervisory Authority (FINMA), and invest exclusively in the foundation on behalf of these institutions. The foundation board may establish additional admission criteria, which may arise from changes in legal and tax bases. It records these in a separate regulation. Against this background, the management may request from the investors the information and documents it deems necessary to make a decision on admission. The management makes the final decision on whether the conditions for joining the foundation as an investor are met.