• It is a photographic or cinematographic work and at least twenty five years have elapsed since the end of the year of its publication.
• It is another type of work and more than twenty five years have elapsed since the year of authors death and fifty years have elapsed since the year of publication.
• It was first published in Sudan before 18 December 1996

Article 198 of the Constitution of the South Sudan declares that "All laws of South Sudan shall remain in force unless new action are taken ." As there is no new South Sudanese copyright law at this time, the Sudanese one is still in force there.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.