17 U.S. Code § 805. General rule for voluntarily negotiated agreements
Any rates or terms under this title that—
are adopted by the Copyright Royalty Judges as part of a determination under this chapter, and
are in effect for a period shorter than would otherwise apply under a determination pursuant to this chapter,
shall remain in effect for such period of time as would otherwise apply under such determination, except that the Copyright Royalty Judges shall adjust the rates pursuant to the voluntary negotiations to reflect national monetary inflation during the additional period the rates remain in effect.