Document “CML/17/2009” May 7, 2009, submitted by the People's Republic of China to the United Nations Commission on the Limits of the Continental Shelf. The map here is the second page in a two-page document. The first page is a text addressed to the <a href="https://en.wikipedia.org/wiki/UN_Secretary_General" class="extiw" title="en:UN Secretary General">UN Secretary General</a>, noting China's sovereignty claim to the "islands in the South China Sea and the adjacent waters", however, the document remains ambiguous by being silent as to the precise meaning of the map enclosed, and the meaning of the nine-dash line on it
Unknown author<span style="display: none;">Unknown author</span>
United Nations - <a rel="nofollow" class="external free" href="http://www.un.org/depts/los/clcs_new/submissions_files/mysvnm33_09/chn_2009re_mys_vnm_e.pdf">http://www.un.org/depts/los/clcs_new/submissions_files/mysvnm33_09/chn_2009re_mys_vnm_e.pdf</a>