Cook Illinois Pooling and Servicing Agreement is a legally binding contract between Credit Suisse First Boston Mortgage Securities Corp., Washington Mutual Bank F.A., and Bank One that pertains to mortgage-backed securities and their servicing. This agreement outlines the responsibilities, rights, and obligations of all parties involved in pooling mortgage loans and collecting payments from borrowers. Key terms and concepts related to Cook Illinois Pooling and Servicing Agreement include: 1. Mortgage-backed securities: These are financial instruments that represent ownership in a pool of mortgage loans. Investors purchase these securities and receive principal and interest payments from the underlying mortgages. 2. Pooling: Under the agreement, Washington Mutual Bank F.A. and Bank One pool their mortgage loans together. This creates a diversified portfolio of mortgages to be securitized and offered to investors. 3. Servicing: Credit Suisse First Boston Mortgage Securities Corp. acts as the service of the mortgage loans. They are responsible for collecting payments from borrowers, managing escrow accounts, facilitating the distribution of principal and interest payments to investors, and handling various administrative tasks. 4. Credit enhancements: Cook Illinois Pooling and Servicing Agreement may include provisions for credit enhancements, such as guarantees or insurance policies, to provide additional protection to investors against potential losses from defaulting mortgages. 5. Default and foreclosure procedures: The agreement outlines the protocol to be followed in the case of borrower defaults and foreclosures, including the process of recovering losses and liquidating the underlying collateral. Different types of Cook Illinois Pooling and Servicing Agreement may exist based on the specific characteristics of the mortgage loans being pooled or the requirements of the investors. For example: 1. Prime mortgage-backed securities agreement: This agreement could pertain to mortgage loans issued to borrowers with strong credit histories. 2. Subprime mortgage-backed securities agreement: In contrast to prime mortgages, this agreement would involve pooling mortgage loans extended to borrowers with less favorable credit backgrounds. 3. Fixed-rate mortgage-backed securities agreement: This type of agreement would involve pooling mortgage loans with fixed interest rates, providing investors with predictable cash flows. 4. Adjustable-rate mortgage-backed securities agreement: Here, the agreement would involve pooling mortgage loans with adjustable interest rates, exposing investors to potential fluctuations in cash flows based on market interest rate movements. 5. Commercial mortgage-backed securities agreement: Instead of residential mortgages, this agreement would involve pooling commercial real estate mortgages. In summary, Cook Illinois Pooling and Servicing Agreement between Credit Suisse First Boston Mortgage Securities Corp., Washington Mutual Bank F.A., and Bank One outlines the pooling and servicing of mortgage loans, detailing the responsibilities of all parties involved. Different types of this agreement may exist based on the characteristics of the pooled mortgages or specific investor requirements.