The <a href="https://en.wikipedia.org/wiki/Singapore_Declaration" id="mw9Q" rel="mw:WikiLink" title="Singapore Declaration">Singapore Declaration</a>, one of the two most important documents to the <a href="https://en.wikipedia.org/wiki/Uncodified_constitution" id="mw9g" rel="mw:WikiLink" title="Uncodified constitution">uncodified constitution</a> of the <a href="https://en.wikipedia.org/wiki/Commonwealth_of_Nations" id="mw9w" rel="mw:WikiLink" title="Commonwealth of Nations">Commonwealth of Nations</a>, is issued.