Oregon requires disclosure of:

Disclosure requirements are fundamental to real estate transactions, protecting both buyers and sellers by ensuring transparency. This question tests knowledge of Oregon's specific disclosure obligations, which go beyond federal minimums. The correct answer (B) encompasses three key categories: lead paint (federally mandated but with state-specific requirements), property conditions (including structural elements and systems), and natural hazards (like earthquakes, floods, or wildfires). The question is challenging because it requires understanding that Oregon's requirements are broader than federal standards and encompass multiple categories of disclosures. Students often struggle to differentiate between federal minimums and state-specific requirements, or may confuse what must be disclosed versus what is optional. This concept connects to broader real estate principles of agency law, risk management, and ethical obligations to clients.