; 2104(e)) . 3. Exemption Section 4 of the Worker Adjustment and Retraining Notification Act ( 29 U.S.C. 2103 ) is amended to read as follows: 4. Exemption This Act shall not apply to a site closing or mass layoff if the closing or layoff is the result of the completion of a particular project or undertaking for which— (1) the completion point of the project or undertaking was— (A) ascertainable; and (B) when an affected employee was hired, described to and acknowledged by the employee, in writing, as limiting the duration of the employment; and (2) the approach of the completion point was reasonably obvious, without any notice other than under paragraph (1)(B), to any affected employee not less than 60 days before the occurrence of the completion point. . 4. Administration and enforcement of requirements Section 5 of the Worker Adjustment and Retraining Notification Act ( 29 U.S.C. 2104 ) is amended— (1) in subsection (a)— (A) in paragraph (1)— (i) in the matter preceding subparagraph (A), by striking plant and inserting site ; (ii) in subparagraph (A)— (I) in the matter preceding clause (i), by striking each day and inserting each calendar day ; and (II) in clause (ii), by striking and after the semicolon; (iii) in subparagraph (B), by striking the period at the end and inserting ; and ; (iv) by inserting after subparagraph (B) the following: (C) liquidated damages in an amount equal to 30 days of back pay, at the rate of compensation calculated under subparagraph (A). ; and (v) in the flush text following subparagraph (C) (as added by clause (iv)), by striking a maximum through event and inserting 90 days, plus a day for each day that an employee is on parental, family, or medical leave during the period of violation and for each day that an employee has such leave curtailed due to such employment loss. In no event shall an employer be liable ; (B) in paragraph (2)(A), by inserting , which begins on the date of the employment loss after the violation