; and (3) ensure the views of representatives of non-Federal interested parties involved in national geospatial activities are conveyed to the Committee. (f) Powers of the Advisory Committee (1) Meetings The Advisory Committee may hold meetings (which shall be open to the public) and sit and act at such times and places as the Advisory Committee considers advisable to carry out this subtitle. (2) Information from covered agencies (A) In general The Advisory Committee, with the concurrence of the Chairperson of the Committee, may secure directly from any covered agency such information as the Advisory Committee considers necessary to carry out this subtitle. Upon request of the Chairperson of the Advisory Committee, the head of such agency shall furnish such information to the Advisory Committee. (B) Noncooperation The Advisory Committee shall include in the comments of the Advisory Committee submitted under section 753(c)(11) a discussion of any failure by a covered agency to furnish information in response to a request under subparagraph (A) of this paragraph. (3) Postal services The Advisory Committee may use the United States mails in the same manner and under the same conditions as other agencies of the Federal Government. (g) Advisory Committee personnel matters (1) No compensation of members (A) Non-federal employees A member of the Advisory Committee who is not an officer or employee of the Federal Government shall serve without compensation. (B) Federal employees A member of the Advisory Committee who is an officer or employee of the Federal Government shall serve without compensation in addition to the compensation received for the services of the member as an officer or employee of the Federal Government. (2) Travel expenses The members of the Advisory Committee shall be allowed travel expenses, including per diem in lieu of subsistence, at rates authorized for employees of agencies under subchapter I of chapter 57 of title 5, United States Code, while away from their homes or regular places of business