does not affect the authority of an agency to communicate the views of the agency in court or in any other enforcement proceeding. (h) Effective date The requirements of this section shall take effect 180 days after the date of enactment of this Act. 3. Limitations on use of interim final rules (a) Enhanced showing required for interim final rules Section 553(b)(B) of title 5, United States Code, is amended by striking for good cause and all that follows through the period at the end and inserting the following: determines that an imminent threat to public health or safety or similar exigent circumstance exists. . (b) Required publication or service date Section 553(d)(3) of title 5, United States Code, is amended to read as follows: (3) in the case of any rule to which the exception under subsection (b)(B) applies. . (c) Lookback period for interim final rules Section 553 of title 5, United States Code, is amended by adding at the end the following: (f) In the case of a rule making in which the exception under subsection (b)(B) was applied, by not later than 18 months after the rule takes effect, the agency shall provide for a period in which interested persons may submit written data, views, or arguments, in the same manner as submissions under subsection (c), shall give such submissions due consideration, and, if appropriate, repeal or amend the rule accordingly. .