of the employee or agency personnel, termination of the applicable collective bargaining agreement, and a prohibition on hiring such an applicant for a period of 5 years beginning on the date of the collection effort in excess. (c) Appeal (1) In general Any employee or applicant for employment who is subject to subsection (a) and who seeks a remedy under any law listed in subsection (b)(2) with respect to an adverse personnel action may appeal under the procedures set forth in title 5, United States Code, including appealing such action to the Merit Systems Protection Board or the Office of the Special Counsel. (2) Limitation An employee or applicant for employment may appeal an adverse personnel action only to a single agency, and may not thereafter bring any appeal pertaining to such dismissal before any other agency. An employee or applicant for employment who files multiple appeals of an adverse personnel action shall have any remedy for the claim limited to not more than $1,000 in the aggregate (including damages, costs, or attorney fees). (d) Application This section shall apply with respect to any employee hired, or any individual who becomes an applicant for employment, on or after the date that is 1 year after the date of enactment of this Act. (e) Regulations Not later than 180 days after the date of enactment of this section, each agency or instrumentality of the Government to which this section applies shall develop operating standards consistent with the requirements of this section, including standards with respect to— (1) notifying any employee hired on or after the date specified in subsection (a) that such employee is an at-will employee