(a) Additional Service. . Qualified Military Service' means military service as defined under the federal Uniformed Services Employment and Reemployment Act and that satisfies the requirements of Internal Revenue Code Section 414(u) and 38 U.S.C. Section 2021 for veteran's reemployment rights. To the extent required by Section 414(u) of the Internal Revenue Code, an Employee shall be granted Credited Service for purposes of benefit accrual and vesting upon his reemployment by the Employer for any period of time during which such Employee was on active military duty, if certain requirements are satisfied. To be credited with service for benefit accrual and vesting purposes, the Participant must be entitled upon his reemployment to veteran's reemployment rights with respect to such period of military duty under the Uniformed Services Employment and Reemployment Rights Act (38 U.S.C. 4301 et seq.). In addition, to be credited with service for benefit accrual purposes, the Participant must make up any Participant contributions required under Article X based on the Salary the