h refers to changes 
to the form and/or content of a digital record that are limited and controlled by fixed rules, so that 
the same query, request or interaction always generates the same result.12 In such cases, 
variations in the record’s form and content are either caused by technology, such as different 
operating systems or applications used to access the document, or by the intention of the author 
or writer of the document. Where content is concerned, the same query will always return the 
same sub