...individual cases, the requirement for such an agreement may be waived by NSF upon a showing by the grantee or its assignee that reasonable but unsuccessful efforts...potential licensees that would be likely to manufacture substantilly in the United States or that under the circumstances domestic manufacture is not commercially...

...reasonable but unsuccessful efforts have been made to grant licenses on similar terms to poterntial licensees that would be likely to manufacture substantially...domestic manufacture is not commercially feasible. (End of clause) [53 FR 13061, Apr. 20. 1988] 1852.227-71 Requests for waiver of rights to inventions....

...the requirement for such agreement may be waived by the Board upon a showing by the waiver recipient that reasonable but unsuccessful efforts have been...on similar terms to Potential licensees that would likely be manufactured in the United States or that under the circumstances domestic manufacture is...