; and (B) the cooperation referred to in subparagraph (A) should include the development of policies and the designation of staff that advise planning agencies and project sponsors of studies or other information foreseeably required for later Federal action and early consultation with appropriate State and local agencies and Indian tribes. (2) Technical assistance If requested at any time by a State or project sponsor, the Secretary and other Federal agencies with relevant jurisdiction in the environmental review process, shall, to the maximum extent practicable and appropriate, as determined by the agencies, provide technical assistance to the State or project sponsor in carrying out early coordination activities. (3) Memorandum of agency agreement If requested at any time by a State or project sponsor, the Federal lead agency, in consultation with other Federal agencies with relevant jurisdiction in the environmental review process, may establish memoranda of agreement with the project sponsor, Indian tribes, State and local governments, and other appropriate entities to carry out the early coordination activities, including providing technical assistance in identifying potential impacts and mitigation issues in an integrated fashion. (k) Limitations Nothing in this section preempts or interferes with— (1) any obligation to comply with the provisions of any Federal law, including— (A) the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ); and (B) any other Federal environmental law; (2) the reviewability of any final Federal agency action in a court of the United States or in the court of any State; (3) any requirement for seeking, considering, or responding to public comment