; and (B) does not have a room that could be repurposed as a lactation room or a space that could be made private using portable materials, at a reasonable cost; or (2) new construction would be required to create a lactation room in the public building and the cost of such construction is unfeasible. (d) No unauthorized entry Nothing in this section shall be construed to authorize an individual to enter a public building or portion thereof that the individual is not otherwise authorized to enter. . (b) Clerical amendment The table of sections at the beginning of chapter 33 of title 40, United States Code, is amended by inserting after the item related to section 3316 the following new item: 3317. Lactation room in public buildings. . (c) Effective date The amendments made by this section shall take effect one year after the date of the enactment of this Act.