<P> Concurring opinions may be held by courts but not expressed: in many legal systems the court "speaks with one voice" and thus any concurring or dissenting opinions are not reported . </P> <P> There are several kinds of concurring opinion . A simple concurring opinion arises when a judge joins the decision of the court but has something to add . Concurring in judgment means that the judge agrees with the majority decision (the case's ultimate outcome in terms of who wins and who loses) but not with the reasoning of the majority opinion (why one side wins and the other loses). </P> <P> In some courts, such as the Supreme Court of the United States, the majority opinion may be broken down into numbered or lettered parts, and then concurring justices may state that they join some parts of the majority opinion, but not others, for the reasons given in their concurring opinion . In other courts, such as the Supreme Court of California, the same justice may write a majority opinion and a separate concurring opinion to express additional reasons in support of the judgment (which are joined only by a minority). </P> <P> In some jurisdictions (e.g., California), the term may be abbreviated in certain contexts to conc . opn . </P>

When might a supreme court justice write a concurring opinion
find me the text answering this question