20 CFR 1002.22 : Employees' Benefits (§ 1.1 To Parts 1011-1099) — (Part 657 To Parts 1011-1099) — Office Of The Assistant Secretary For Veterans' Employment And Training Service, Department Of Labor (Part 1000 To Parts 1011-1099) — Regulations Under The Uniformed Services Employment And Reemployment Rights Act Of 1994 (§ 1002.1 To Appendix To Part 1002) — Anti-Discrimination And Anti-Retaliation (§ 1002.18 To § 1002.23) — Protection From Employer Discrimination And Retaliation (§ 1002.18 To § 1002.23) — Who has the burden of proving discrimination or retaliation in violation of USERRA?