(1) A credit of up to two thousand four hundred dollars ($2,400) per year per child shall be allowed to individuals or to families with a dependent child or children with phenylketonuria, galactosemia, organic acidemias, and disorders of amino acid metabolism against the income tax imposed by the Income Tax Act of 1929, § 26-51-101 et seq., for expenses for the purchase of medically necessary medical foods and low protein modified food products.
(2) The credit allowed in this section shall be effective for taxable years beginning January 1, 1999.
(3) To the extent that the credit fully available under this subchapter is not fully utilized in this first year, it may be carried forward for an additional two (2) years. Any credit remaining thereafter shall expire.