; or (B) an alien who is— (i) lawfully admitted for permanent residence; (ii) admitted as a refugee under section 207; (iii) granted asylum under section 208; or (iv) is an immigrant otherwise authorized to be employed under this Act. (10) Work period The term work period means the time period during which the H–2B nonimmigrants will be needed by an employer. (b) Petitions (1) Requirement for petitions An employer seeking to employ an H–2B nonimmigrant shall file a petition with the Secretary of Homeland Security in accordance with this subsection. (2) Contents A petition filed under this subsection shall include— (A) the reason for the employer’s need for other temporary service or labor and the full time need for the H–2B nonimmigrants and the occupations sought; (B) the number of named and unnamed H–2B nonimmigrants the employer is seeking to employ during the work period; (C) the area of employment and worksites of the H–2B nonimmigrants, except that itinerant employers who do not operate in a single fixed-site location, shall provide a list of work locations that— (i) may include an itinerary anticipated at the time of petitioning; and (ii) may be subsequently amended by the employer, with notice to the Secretary; (D) the anticipated work period, including expected beginning and ending dates and an indication if actual entry or departure will be staggered; and (E) the written disclosure of employment terms and conditions that the employer chooses to provide to each proposed H–2B nonimmigrant before the date on which the H–2B nonimmigrant files a visa application. (3) Attestation A petition filed under this subsection shall include an attestation by the employer that— (A) the employer’s need for labor is for other temporary service or labor and for full-time employment; (B) the work period, the reason for temporary need, and the anticipated number of positions needed and being requested have been truly and accurately stated in the petition