The Royal Board Pennant for Princess Mother of Thailand called "Thong Boromrajawong Noi" (ธงบรมราชวงศ์น้อย)
<a href="//commons.wikimedia.org/wiki/User:Xiengyod" title="User:Xiengyod">Xiengyod</a>
2009-08-07
Based on texts of <a href="https://en.wikisource.org/wiki/th:%E0%B8%9E%E0%B8%A3%E0%B8%B0%E0%B8%A3%E0%B8%B2%E0%B8%8A%E0%B8%9A%E0%B8%B1%E0%B8%8D%E0%B8%8D%E0%B8%B1%E0%B8%95%E0%B8%B4%E0%B8%98%E0%B8%87_%E0%B8%9E.%E0%B8%A8._2522" class="extiw" title="s:th:พระราชบัญญัติธง พ.ศ. 2522">Thai Flag Act of B.E.2522</a> Article 8(2)