; (H) maintain valuable relationships with entities with aviation equities, including civil aviation authorities, other governmental bodies, non-governmental organizations, and foreign manufacturers; and (I) perform other activities as determined necessary by the Administrator. . (b) Review of international field offices Section 40104(d) of title 49, United States Code, (as redesignated by section 356) is further amended by inserting after paragraph (2) the following: (3) International offices In carrying out the responsibilities described in subsection (a), the Administrator— (A) shall maintain international offices of the Administration; (B) every 5 years, may review existing international offices to determine— (i) the effectiveness of such offices in fulfilling the mission described in paragraph (2); and (ii) the adequacy of resources and staffing to achieve the mission described in paragraph (2); and (C) shall establish offices to address gaps identified by the review under subparagraph (B) and in furtherance of the mission described in paragraph (2), putting an emphasis on establishing such offices— (i) where international civil aviation authorities are located; (ii) where regional intergovernmental organizations are located; (iii) in countries that have difficulty maintaining a category 1 classification through the International Aviation Safety Assessment program; and (iv) in regions that have experienced substantial growth in aviation operations or manufacturing. . (c) Bilateral aviation safety agreements