In 1977, Rev. Leon Sullivan created criteria for the treatment of South African workers. The international community should encourage companies investing in North Korea to develop a code of conduct, similar to the Sullivan principles that were applied in South Africa to protect workers and other citizens. 

The Sullivan Principles include: 

1. Non-segregation of the races in all eating, comfort, and work facilities.
2. Equal and fair employment practices for all employees.
3. Equal pay for all employees doing equal or comparable work for the same period of time.
4. Initiation of and development of training programs that will prepare, in substantial numbers, blacks and other nonwhites for supervisory, administrative, clerical, and technical jobs.
5. Increasing the number of blacks and other nonwhites in management and supervisory positions.
6. Improving the quality of life for blacks and other nonwhites outside the work environment in such areas as housing, transportation, school, recreation, and health facilities.
7. Working to eliminate laws and customs that impede social, economic, and political justice. (Added in 1984.)

Implementation of these same principles in North Korea would set a standard for employer responsibility in the country.