; (II) including a description of the workflex option in which the employee is participating; (III) executed before the employee begins to participate in such workflex option; and (IV) entered into knowingly and voluntarily by such employee. (2) Termination, modification, or withdrawal (A) Termination or modification Subject to section 803(a)(1), an employer may amend a qualified flexible workplace arrangement to eliminate— (i) any workflex option described in subsection (a)(1); or (ii) the eligibility of an employee or group of employees to participate in a workflex option after the employer has provided 30-day written notice. (B) Withdrawal An employee may withdraw from a workflex option offered under a qualified flexible workplace arrangement plan at any time, except as otherwise specified for a biweekly work program under section 804(e)(2) or a compressed work schedule program under section 805(d)(2). (3) Recordkeeping requirement The employer shall maintain— (A) written descriptions of workflex option offerings made available to employees; and (B) written agreements described in paragraph (1)(B)(ii). 804. Biweekly work program (a) In general Notwithstanding any other provision of law, as part of a qualified flexible workplace arrangement plan, an employer may establish a biweekly work program as a workflex option for eligible employees that allows the use of a biweekly work schedule— (1) that consists of a basic work requirement of not more than 80 hours, over one 2-week period; and (2) in which more than 40 hours but not more than 60 hours of the work requirement may occur in a week of the 2-week period. (b) Conditions A biweekly work program shall meet the conditions described in section 803(b). (c) Eligible employee For purposes of this section, an eligible employee means an employee who is subject to the minimum wage and overtime requirements of sections 6 and 7 of the Fair Labor Standards Act of 1938 ( 29 U.S.C. 206