; (2) the methodology used for determining occupancy, including the period of time and other parameters used to determine occupancy on a regular basis; (3) the utilization percentage of each public building and federally-leased space by the respective agency of the Federal agency head, comparing the capacity to the actual utilization rate based on a utilization benchmark of 150 usable square feet per person; and (4) any costs associated with capacity that exceeds occupancy with respect to the respective agency of the Federal agency head. (b) Publishing requirement (1) In general Except as provided in paragraph (2), the heads of Federal agencies shall make each report required under subsection (a) available on a publicly accessible website of the General Services Administration. (2) Exception The publishing requirements of paragraph (1) shall not apply if the head of the respective Federal agency makes a determination that making the report required under subsection (a) available on a publicly accessible website would be detrimental to national security. 5. Reducing unneeded space (a) Target utilization metrics Not later than 1 year after the date of enactment of this Act, and annually thereafter, the Director, in consultation with the Administrator, shall ensure building utilization in each public building and federally-leased space is not less than 60 percent on average over each 1-year period. (b) Actions In the event that building utilization is below 60 percent on average over a 1-year period described in subsection (a) for any particular public building or federally-leased space, the Administrator shall— (1) provide notice to the tenant agency informing such agency of the excess in capacity along with associated costs of such excess