<P> There are few universal rules common to all Grand Lodge jurisdictions of Freemasonry (see Masonic Landmarks for accepted universal principles of regular Freemasonry). However, the structure of the progressive offices is very nearly universal . While the precise hierarchy or order of various officers within the "line" of officers may vary, the usual progression is for a lodge officer to spend either one or two years in each position, advancing through "the chairs", until he is elected as Worshipful Master . In addition, there are some offices that are traditionally not considered to be part of the "line", and which may be held by the same brother for many years, or may be reserved for Past Masters . </P> <P> Progressive office refers to a series of offices within the lodge, culminating in the office of Worshipful Master . Ideally, a mason starts at the most junior office and "progresses" to the next in line each year . The exact composition of the progressive officers varies slightly by jurisdiction, but will typically finish with the series: Junior Deacon, Senior Deacon, Junior Warden, Senior Warden, Worshipful Master . Progression to Worshipful Master is NOT always done by "moving through the chairs". In Florida, the Worshipful Master may be elected from any level by the ruling oligarchy . </P> <P> The senior officer of a Masonic Lodge is the Master, normally addressed and referred to as the "Worshipful Master" (in Scotland, and in Lodges under the Scottish Constitution, the "Right Worshipful Master"). The Worshipful Master sits in the East of the lodge room, chairs all of the business of his lodge, and is vested with considerable powers without further reference to the members . He also presides over ritual and ceremonies . </P> <P> The office of Worshipful Master is the highest honor to which a lodge may appoint any of its members . The office is filled annually by election, often by secret ballot . The requirements as to who is eligible for election as Master vary from jurisdiction to jurisdiction, but the majority of jurisdictions specify that a brother must have served as an installed Warden to qualify . In practice, most lodges will nominate and elect the previous year's Senior Warden in an uncontested election . </P>

What is the head of a masonic lodge called
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