; and (B) the possibilities, benefits, and limitations of using mass timber in construction. (d) Mass timber plan Not later than September 30, 2024, the Secretary shall submit to the relevant committees of Congress a mass timber plan that includes— (1) an assessment of the current state of knowledge about mass timber and tall wood buildings; (2) an integrated approach to improve knowledge sharing; (3) an approach for project monitoring and evaluation; and (4) an approach for setting research priorities. (e) Stakeholder advisory group (1) Membership The Secretary shall appoint a stakeholder advisory group of technical experts that consists, at a minimum, of— (A) a Forest Service scientist; (B) a researcher from a college or university; (C) a representative of a trade association; (D) an architect or developer; (E) a representative of a local approving agency; (F) a representative of a forest products company; and (G) a representative of a nongovernmental organization with experience— (i) designing or constructing tall wood buildings; or (ii) complying with or revising related building codes. (2) Duties The stakeholder advisory group shall meet at least annually— (A) to consider immediate and long-term science needs; (B) to suggest to the Secretary appropriate topic areas, specific issues within those topic areas, and information transfer needs for which the Secretary shall solicit proposals described in subsection (c)(3)