This document is a seminar paper in Serbian on the topic of agency contracts and contracts for the inspection of goods. It was written on November 16, 2007. The document promotes several websites that offer free seminar papers, diploma works, and matriculation works on all subjects, as well as PowerPoint presentations and other educational materials. Visitors to the sites can view the content and first few pages of works in the database before downloading them to create unique papers. Custom works can also be ordered if a suitable pre-existing work is not found.