48 CFR § 1815.606
Agency procedures. (NASA supplements paragraphs (a) and (b))
November 17, 2020
(a) NASA will not accept for formal evaluation unsolicited proposals initially submitted to another agency or to the Jet Propulsion Laboratory (JPL) without the offeror's express consent.
[63 FR 9954, Feb. 27, 1998, as amended at 69 FR 21764, Apr. 22, 2004]