; (B) an Indian tribe (as defined in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 )); and (C) a tribal organization (as defined in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 )). 3. Office of Regional Greenhouse Gas Reduction Programs (a) Establishment Not later than 1 year after the date of enactment of this Act, there shall be established within the Environmental Protection Agency an office, to be known as the Office of Regional Greenhouse Gas Reduction Programs . (b) Purpose The purpose of the Office shall be— (1) to support, and assist in the expansion of, existing regional greenhouse gas reduction programs; and (2) to facilitate the establishment of new regional greenhouse gas reduction programs. (c) Director The Office shall be headed by a Director, who shall be appointed by the Administrator— (1) without regard to political affiliation; and (2) solely on the basis of fitness to perform the duties of the Director described in subsection (d). (d) Duties of director The Director of the Office shall— (1) on request by a State or other relevant entity, provide access to Federal data relevant to regional greenhouse gas reduction programs; (2) (A) assist States and other relevant entities with analysis and modeling of technical, economic, and public policy issues relating to regional greenhouse gas reduction programs; and (B) provide any other relevant technical support, on request; (3) develop and share best practices based on existing regional greenhouse gas reduction programs; (4) track and report on greenhouse gas emissions in States participating in regional greenhouse gas reduction programs using data collected by the Environmental Protection Agency; (5) designate a representative in the Office— (A) to act as a liaison to regional greenhouse gas reduction programs; and (B) to communicate with States and other entities seeking to establish regional greenhouse gas reduction programs