§10–502.

    (a)    If a person does not file a federal income tax return, the person shall compute Maryland taxable income in accordance with the cash or accrual accounting method that:

        (1)    the person uses to compute income regularly in keeping the person’s books; or

        (2)    the Comptroller requires to reflect clearly the person’s income.

    (b)    If a person does not file a federal income tax return, the person shall compute Maryland taxable income:

        (1)    for the calendar year; or

        (2)    if the person keeps adequate records for an annual fiscal year accounting period, for the fiscal year.