[Code of Federal Regulations] [Title 36, Volume 1] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 36CFR51.21] [Page 291] TITLE 36--PARKS, FORESTS, AND PUBLIC PROPERTY CHAPTER I--NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR PART 51_CONCESSION CONTRACTS--Table of Contents Subpart C_Solicitation, Selection and Award Procedures Sec. 51.21 When must the selected offeror execute the concession contract? The selected offeror must execute the concession contract promptly after selection of the best proposal and within the time established by the Director. If the selected offeror fails to execute the concession contract in this period, the Director may select another responsive proposal or may cancel the selection and resolicit the concession contract.