(a) A corporation that, during a taxable year, has Maryland taxable income shall file an income tax return.
(b) Notwithstanding the provisions of subsection (a) of this section, a corporation which is not otherwise required to file a return shall file a return if the corporation:
(1) is not tax exempt under § 10-104 of this title;
(2) is required to file a federal income tax return;
(3) carries on business within this State; and
(4) has income or losses attributable to sources within this State.
Structure Maryland Statutes
Subtitle 8 - Returns and Declarations
Part II - Returns and Declarations Generally
Section 10-804 - Requirements Generally; Checkoff; Fractional Part of Dollar
Section 10-804.1 - Corporations and Corporate Group Returns
Section 10-805 - Individual Returns -- Residents
Section 10-806 - Individual Returns -- by Nonresident
Section 10-807 - Individual Returns -- Joint or Separate Return
Section 10-808 - Individual Returns -- by Person on Behalf of Individual
Section 10-809 - Individual Returns -- by Individual Not Required to File
Section 10-810 - Corporation Return -- in General
Section 10-811 - Corporation Return -- Affiliated Corporations
Section 10-812 - Corporation Return -- Exempt Corporations
Section 10-813 - Fiduciary Return
Section 10-814 - Partnership Return
Section 10-815 - Individual Declaration of Estimated Tax
Section 10-816 - Corporation and Partnership Declaration of Estimated Tax
Section 10-817 - Withholding Returns