• Receive the information with utmost
  accuracy
• Store the information with integrity beyond doubt
• Retrieve the information without
  amendment
• Apply appropriate judgment in the use of the
  information
• Pass the information on appropriately

These are from A.Rudersdorf Preservation Management 259 (Spring 2010). The Rules are pertaining to the trustworthiness of digital repositories, but they are such strong sound set rules that those of us in the librarianship/archive realm should take them into consider as often as possible.