original Baseline Estimate
(1) In this subpart, the term “original Baseline Estimate”, with respect to a major defense acquisition program or any designated major subprogram under the program, means the baseline description established with respect to the program or subprogram under subsection (a) prepared before the program or subprogram enters system development and demonstration, or at program or subprogram initiation, whichever occurs later, without adjustment or revision (except as provided in paragraph (2)).