03 Income.

The income of the taxpayer is equal to the taxpayer’s federal adjusted gross income increased by: A. Certain trade and business losses; capital losses; any net loss resulting from combining the income or loss from rental real estate and royalties, the income or loss from partnerships and S corporations, the income or loss from estates and trusts, the income or loss from real estate mortgage investment conduits and net farm rental income or loss; any loss associated with the sale of business property; and farm losses included in federal adjusted gross income; B. Interest that is not included in federal adjusted gross income; C. Social security and railroad retirement benefits that are not included in federal adjusted gross income; and D. Certain amounts deducted in arriving at federal adjusted gross income pursuant to 36 M.R.S. § 5219-KK(1)(D)(4).