(1) There shall be subtracted from federal taxable income amounts received as a national service educational award under 42 U.S.C. 12602, following completion of the required term of service in 42 U.S.C. 12593(b).
(2) A subtraction may not be allowed under this section if the amounts described in subsection (1) of this section:
(a) Are not included in the taxpayer’s federal gross income for the tax year; or
(b) Are taken into account as a deduction on the taxpayer’s federal income tax return for the tax year.