; and (B) shall remain available until expended pursuant to section 286(n). (4) Documentation of work history (A) Burden of proof An alien applying for blue card status under section 101 of the Agricultural Worker Program Act of 2017 or for adjustment of status under subsection (a) shall provide evidence that the alien has worked the requisite number of hours or days required under subsection (a)(1) of such section 101 or subsection (a)(1) of this section, as applicable. (B) Timely production of records If an employer or farm labor contractor employing such an alien has kept proper and adequate records respecting such employment, the alien’s burden of proof under subparagraph (A) may be met by securing timely production of those records under regulations to be promulgated by the Secretary. (C) Sufficient evidence An alien may meet the burden of proof under subparagraph (A) to establish that the alien has performed the days or hours of work referred to in subparagraph (A) by producing sufficient evidence to show the extent of that employment as a matter of just and reasonable inference. (f) Penalties for false statements in applications (1) Criminal penalty Any person who— (A) files an application for blue card status under section 101 of the Agricultural Worker Program Act of 2017 or for an adjustment of status under this section and knowingly and willfully falsifies, conceals, or covers up a material fact or makes any false, fictitious, or fraudulent statements or representations, or makes or uses any false writing or document knowing the same to contain any false, fictitious, or fraudulent statement or entry