If a taxpayer has an ownership interest in a physician owned medical practice described in section 5(2) of this chapter that:
the taxpayer may, subject to section 7 of this chapter, claim a credit against the taxpayer's state income tax liability. Subject to section 8 of this chapter, the amount of the credit allowed under this chapter for a particular taxable year is twenty thousand dollars ($20,000).
IC 6-3.1-40-6