Article 23:The property rights to a copyrighted work shall be protected from the moment of its publication to the 50th year after the death of its author. The property rights to a joint copyrighted work shall be protected from the moment of its publication to the 50th year after the death of the last survivor of the co-authors.
Article 24:The property rights to a copyrighted work or a copyrighted visual art work whose author is an institution, enterprise or organization shall be protected for up to 50 years from the moment of its publication.
This work, created within the jurisdiction of North Korean Copyright Law (with legal jurisdiction north of the 38th parallel only), has surpassed the durations of either of the above criteria, and thus has expired from its copyright.