You should Take note: COS is shipped completely on line. The COS certification exam can also be offered online, and learners have a person week in the completion of the study course to take the exam. Core occupancy prerequisites, which includes eligibility and tenant range; 504/Honest Housing; property and profits https://joyrulez.com/blogs/61080/Effective-Section-8-Training-for-Tenants-and-Landlords