&gt; It&#x27;s where the nominee for Vice President is chosen<p>Formally, just as it is formally where the nominee for President is chosen. In reality, this usually happens (and is announced) prior to the convention.<p>&gt; and the party platform for that year is drafted.<p>Arguably, the party platform is largely irrelevant, since there is no accountability to it, and individual candidates own campaigns (including the Presidential ticket) establish their own effective campaign platform (which usually doesn&#x27;t take the form of a single formal document, but is presented through individual issue papers, the campaign website, stump speeches, etc.), which can be very different from what is in the party document.