((a)) ** In general** Except as otherwise provided in this section, in the application of chapter 84 of title 5 to an employee of the Agency who is subject to such chapter and is designated by the Director under the criteria prescribed in , such employee shall be treated for purposes of determining such employee’s retirement benefits and obligations under such chapter as if the employee were a law enforcement officer (as defined in ).section 2013 of this titlesection 8401(17) of title 5
((b)) ** Voluntary and mandatory retirement** The provisions of sections 2053 and 2055 of this title shall apply to employees referred to in subsection (a), except that the retirement benefits shall be determined under chapter 84 of title 5.
((c)) ** Recall**
((1)) Except as provided in paragraph (2), shall apply to an employee referred to in subsection (a).
((2)) Contributions during recall service shall be made as provided in .
((3)) When an employee recalled under this subsection reverts to a retired status, the annuity of such employee shall be redetermined under the provisions of chapter 84 of title 5.
((d)) ** Employees disabled on duty**
((1)) ** Definitions** In this subsection—
((A)) the term “affected employee” means an employee of the Agency covered under subchapter II of chapter 84 of title 5 who—
((i)) is performing service in a position designated under subsection (a);
((ii)) while on duty in the position designated under subsection (a), becomes ill or is injured as a direct result of the performance of such duties before the date on which the employee becomes entitled to an annuity under or ;
((iii)) because of the illness or injury described in clause (ii), is permanently unable to render useful and efficient service in the employee’s covered position, as determined by the Director; and
((iv)) is appointed to a position in the civil service that is not a covered position but is within the Agency; and
((B)) the term “covered position” means a position as—
((i)) a law enforcement officer described in section 8331(20) or 8401(17) of title 5;
((ii)) a customs and border protection officer described in section 8331(31) or 8401(36) of title 5;
((iii)) a firefighter described in section 8331(21) or 8401(14) of title 5;
((iv)) an air traffic controller described in section 8331(30) or 8401(35) of title 5;
((v)) a nuclear materials courier described in section 8331(27) or 8401(33) of title 5;
((vi)) a member of the United States Capitol Police;
((vii)) a member of the Supreme Court Police;
((viii)) an affected employee; or
((ix)) a special agent described in .
((2)) ** Treatment of service after disability** Unless an affected employee files an election described in paragraph (3), creditable service by the affected employee in a position described in paragraph (1)(A)(iv) shall be treated as creditable service in a covered position for purposes of this chapter and chapter 84 of title 5, including eligibility for an annuity under or 8412(d)(1) of title 5 and determining the amount to be deducted and withheld from the pay of the affected employee under .section 2053 of this titlesection 8422 of title 5
((3)) ** Break in service** Paragraph (2) shall only apply if the affected employee transitions to a position described in paragraph (1)(A)(iv) without a break in service exceeding 3 days.
((4)) ** Limitation on treatment of service** The service of an affected employee shall no longer be eligible for treatment under paragraph (2) if such service occurs after the employee is transferred to a supervisory or administrative position related to the activities of the former covered position of the employee.
((5)) ** Opt out** An affected employee may file an election to have any creditable service performed by the affected employee treated in accordance with chapter 84 of title 5 without regard to paragraph (2).