Patents, trademarks, and copyrights. Part201:General provisions. Section201.39:Notice to libraries and archives of normal commercial exploitation or availability at reasonable price.
(a) General. This section prescribes rules under which copyright owners or their agents may provide notice to qualified libraries and archives (including a nonprofit educational institution that functions as such) that a published work in its last 20 years of copyright protection is subject to normal commercial exploitation, or that a copy or phonorecord of the work can be obtained at a reasonable price, for purposes of section 108(h)(2) of title 17 of the United States Code.