; (C) in the case of an employee who holds a supervisory or administrative position and is subject to chapter 84, but who does not qualify to be considered a firefighter within the meaning of section 8401(14), would otherwise qualify if the employee had transferred directly to such position after performing duties described in section 8401(14)(A) for at least 3 years; and (D) in the case of an employee who is not subject to subchapter III of chapter 83 or chapter 84, holds a position that the Office of Personnel Management determines would satisfy subparagraph (A), (B), or (C) if the employee were subject to subchapter III of chapter 83 or chapter 84; (2) the term General Schedule base rate means an annual rate of basic pay established under section 5332, before any additions such as a locality-based comparability payment under section 5304 or 5304a or a special rate supplement under section 5305; (3) the term special base rate means an annual rate of basic pay payable to a wildland firefighter, before any additions or reductions, that replaces the General Schedule base rate otherwise applicable to the wildland firefighter and that is administered in the same manner as General Schedule base rates