838. Prorogation by exercise of the royal prerogative.

A session of Parliament can only be brought to an end by the exercise of the royal prerogative1. Formerly, Parliament was prorogued at the end of the session by the monarch in person, but it has not been prorogued in this manner since 1854. It is now prorogued by a commission appointed for the purpose by letters patent under the Great Seal2. It is always prorogued to a definite day on which its next meeting is to take place. If it is decided afterwards to postpone the meeting to a date later than that which was originally fixed, the