Maryland Statutes
Subtitle 5 - Accounting Period
Section 10-504 - Changing Accounting Period

(a)    A person may change the accounting period used to compute Maryland taxable income to any other period that the Comptroller approves.
    (b)    If a person changes accounting periods, the person shall file a separate return for the period between the close of the previous accounting period and the beginning of the newly adopted accounting period.