Nathan, Here at Yale we only normalize dates in the <eadheader> and the collection-level <did>. Our best practices allow component-level normalization, but do not require it, primarily for the reasons mention. Mike On Thu, May 6, 2010 at 9:29 AM, Nathan Tallman <[log in to unmask]> wrote: > Good morning, > > I'd like to take a quick and extremely informal survey. How many > institutions are normalizing dates at the file level? My past institution > only normalized dates at the top, series, and subseries levels. The > rational was that it's not worth the time to normalize at the file level > because there aren't enough publishing options available that utilize the > data. (Plus, there's a script to normalize dates if it's needed.) My > current institution is looking at best practices for our encoding and I'd be > interested to hear what others are doing . > > Thanks, > Nathan Tallman >