Development of ecclesiastical Templar legistlation

"The ecclesiastical legislative body by which the friars of the Temple govern themselves underwent many logical adaptations to suit the times, along its existence. In spite of this, they channeled themselves in two different and complimentary but equally valid points: on the one side papal bulls and on the other the general chapters.

Knights Templar and Papal bulls: Militea Dei (1145)

Militea Dei’, the third of the papal bulls, issued by Pope Eugenius III in 1145, is very similar in both content and style to the one year older earlier ‘Milites templi’ (1144). The bull begins with praise for the knights’ efforts for the eastern church, drawing attention yet again to important military task the Order was saddled with. The bull moves on, much like the bull before it, to compel the clergy again to gather resources for the Templars.  

Knights Templar and Papal bulls: Omne datum optimum (1139)

"To confirm the Order’s legitimacy in the Roman Catholic Church, three papal bulls (Omne datum optimum, Milites Templi and Militea Dei) were issued between 1139 and 1145.