Identify the main idea from the following excerpt:As stated in our Supplier Code of Conduct, our employees who are involved in procurement decisions may not accept any business courtesies, with the exception of very low value promotional items. In any business relationship, our suppliers must ensure that the offering or receipt of any gift or business courtesy is permitted by law and regulation; does not violate the rules and standards of the recipient's organization; is consistent with reasonable marketplace customs; and will not adversely impact the reputation of this company.

The WorkKeys Workplace Documents assessment measures skills that individuals use when they read real workplace documents and use that information to make job-related decisions and solve problems. The documents include messages, emails, letters, directions, signs, bulletins, policies, websites, contracts, and regulations.