; (B) collective bargaining agreement; or (C) existing employer policy; or (2) to require financial or other reimbursement to an employee from an employer upon the employee’s termination, resignation, retirement, or other separation from employment for paid sick time under this Act that has not been used by such employee. 208. Definitions For purposes of the Act: (1) Child The term child means a biological, foster, or adopted child, a stepchild, a child of a domestic partner, a legal ward, or a child of a person standing in loco parentis under 18 years of age. (2) Covered infectious disease The term covered infectious disease means an infectious disease in relation to which the Secretary of Health and Human Services has declared a public health emergency. (3) Domestic partner (A) In general The term domestic partner , with respect to an individual, means another individual with whom the individual is in a committed relationship. (B) Committed relationship defined The term committed relationship means a relationship between individuals, each at least 18 years of age, in which each individual is the other individual’s sole domestic partner and both individuals share responsibility for a significant measure of each other’s common welfare. The term includes any such relationship between 2 individuals that is granted legal recognition by a State or political subdivision of a State as a marriage or analogous relationship, including a civil union or domestic partnership. (4) Employee The term employee means an individual who is— (A) (i) an employee, as defined in section 3(e) of the Fair Labor Standards Act of 1938 ( 29 U.S.C. 203(e) ), who is not covered under subparagraph (E) or (F), including such an employee of the Library of Congress, except that a reference in such section to an employer shall be considered to be a reference to an employer described in clauses (i)(I) and (ii) of paragraph (5)(A); or (ii) an employee of the Government Accountability Office