V. GOOD-PRACTICE RECOMMENDATIONS
In addition to the requirements of this license, it is requested from and
strongly recommended of redistributors that:
If you are distributing Open Publication works on hardcopy or CD-ROM,
you provide email notification to the authors of your intent to
redistribute at least thirty days before your manuscript or media
freeze, to give the authors time to provide updated documents. This
notification should describe modifications, if any, made to the document.
All substantive modifications (including deletions) be either clearly
marked up in the document or else described in an attachment to the
Finally, while it is not mandatory under this license, it is considered
good form to offer a free copy of any hardcopy and CD-ROM expression of
an Open Publication-licensed work to its author(s).