y 
considerations established and modified at will by their developers. Both these factors can 
significantly affect the continued accessibility of digital records over time. For these reasons, 
references to specific technologies should not be included in preservation policies and 
standards. Only the requirements and obligations that the records are designed to support 
                                                 
34 See Duranti and Thibodeau, “The Concept of Record,” op. cit. 
35 See principle C1 in