mass layoff or temporary site closing unless the employer complies with the requirements under paragraphs (2) and (3). (2) Initial period of temporary mass layoff or site closing With respect to the period of a temporary mass layoff or temporary site closing that has not been extended as described in paragraph (3), the employer shall— (A) at the commencement of such layoff or closing, provide a written notice as required under subsection (a) stating— (i) the date on which the employer expects to recall the affected employees to work, which date shall be less than 90 days after the date of such commencement