1.    A taxpayer is entitled to a credit against the income tax liability under section 57-38-30.3 for adoption expenses.

2.    The credit is equal to ten percent of the federal adoption credit allowed under section 23 of the Internal Revenue Code [26 U.S.C. § 23] claimed by the taxpayer in the current taxable year.

3.    The credit allowed under this section may not exceed fifty percent of the taxpayer’s liability for tax under this chapter. Any credit amount exceeding fifty percent of the     taxpayer’s liability for the taxable year may be carried forward to each of the three succeeding taxable years, subject to the limitation in this subsection.