Nonreduction in pay while serving in the uniformed services or National Guard

An employee who is absent from a position of employment with the Federal Government in order to perform active duty in the uniformed services pursuant to a call or order to active duty under section 12304b of title 10 or a provision of law referred to in section 101(a)(13)(B) of title 10 shall be entitled, while serving on active duty, to receive, for each pay period described in subsection (b), an amount equal to the amount by which— the amount of pay and allowances which (as determined under subsection (d))— Amounts under this section shall be payable with respect to each pay period (which would otherwise apply if the employee’s civilian employment had not been interrupted)— Any amount payable under this section to an employee shall be paid— For purposes of this section—