Please Take note: COS is sent fully on the net. The COS certification Test is likewise presented on the internet, and students have one 7 days in the completion in the training course to take the Test. ACE certification is attained by passing a web based interactive Test. Examination-using eligibility https://www.industrialagency.org/blogs/193351/Section-8-Training-Effective-Communication-Between-Landlords-and-Tenants