1. This is a photographic work, audiovisual recording, motion picture, sound recording, or broadcast work, and at least 50 years have elapsed since its first publication or it was not published within 50 years of authorship.
2. This is a work of applied arts, and at least 25 years have elapsed its first publication or it was not published within 25 years of authorship.
3. This is a work by a pseudonymous or anonymous author, and at least 50 years have elapsed since its first publication or it was not published within 50 years of authorship.
4. This is a work other than described above, and
   1. Its last author died at least 50 years ago, or
   2. Its last author died before publication and at least 50 years have elapsed since its first publication, or
   3. The author is a legal entity, and at least 50 years have elapsed since the first publication of the work or the work was not published within 50 years of authorship.
5. This work was created or commissioned by the Thai Government, and at least 50 years have elapsed since its first publication or it was not published within 50 years of authorship.

This work is in the public domain in the United States because it meets three requirements:

1. it was first published outside the United States (and not published in the U.S. within 30 days),
2. it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
3. it was in the public domain in its home country on the URAA date (January 1, 1996 for most countries).