Home Law Resource Library Protester Can’t Challenge Awardee’s Post-Award Transition Plan; Mission1st Group, Inc., GAO B-4129369.2 Resource LibraryLawNewsProtests Protester Can’t Challenge Awardee’s Post-Award Transition Plan; Mission1st Group, Inc., GAO B-4129369.2 February 23, 2021 81 Share FacebookLinkedinTwitter Dean Drobot | Shutterstock You must be a Paid or Free Trial Member to Access this Content. Paid members, please login to view your news subscription(s). RELATED ARTICLESMORE FROM AUTHOR Law GAO Finds Stale Prices Justified Cancellation of Solicitation Law Challenging the Evaluation of Your Quotation? Be Sure to Cite the Quotation in Your Protest. Law Protester Said Agency’s Interpretation of Relevant Experience Was Unreasonable. GAO Disagreed.