responsibility for the library building, in 1544 the Council of Ten assigned the custodianship of the collection to the , the educational committee of the Senate. Created in 1517, the had initially been tasked with reopening the University of Padua after its closure during the years of the War of Cambrai. This involved repairing physical damage to the buildings, hiring new professors, and organizing courses. Over time, their role came to encompass virtually all aspects of public education. Under the , the collection was first catalogued (1545). Preparations were made to move the manuscripts and books from the upper floor of Saint Mark's to the new building: the effective date of the transfer is not known from any surviving documents, but it must have occurred between 1559 and 1565, probably prior to July 1560. For the loaning of the valuable codices, the Council of Ten established stricter conditions which included the requirement of a deposit in gold or silver in the amount of 25 ducats. The sum, already substantial, was increased to 50 ducats in 1558. Beginning in 1558, the nominated the librarian, a patrician chosen for life. But in 1626, the Senate once again assumed direct responsibility for the nomination of the librarian, whose term was limited by the Great Council in 1775 to three years. With few exceptions, the librarians were typically chosen from among the procurators of Saint Mark. The reform of 1626 established the positions of custodian and attendant, both subordinate to the librarian, with the requirement that the custodian be fluent in Latin and Greek. The attendant was responsible for the general tidiness of the library and was chosen by the procurators, the riformatori, and the librarian. No indications were given regarding the nomination of the custodian, a lifetime appointment, until 1633 when it was prescribed that the election was to be the purview of the in concert with the librarian. To the custodian fell the responsibility for opening and closing the library: opening days (Monday, Wednesday, and Friday mornings) were also fixed whereas access had previously been by appointment only. The custodian assisted readers, including the international scholars attracted by the importance of the manuscripts. Among these were Willem Canter, Henry Savile, Jacques Gaffarel, and Thomas van Erpe. The custodian was additionally tasked with showing the library to foreigners who visited primarily to admire the structure and the manuscripts, commenting in their travel diaries