Maryland Corporations Form Availability
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Form 502S, Heritage Structure Rehabilitation Credit
01/30/2026
coming soon
Form EL102B, Income Tax Payment Voucher for Business Electronic Filers
01/30/2026
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Form 500E, Application for Extension to File Corporate Income Tax Return
01/30/2026
coming soon
Form 500DM, Decoupling Modification
01/30/2026
coming soon
Form 500CR, Business Income Tax Credits, p5-6
01/30/2026
coming soon
Form 500CR, Business Income Tax Credits, p7-8
01/30/2026
coming soon
Form 500D, Corporation Declaration of Estimated Income Tax
01/30/2026
coming soon
Form EL101B, Income Tax Declaration for Businesses Electronic Filing
01/30/2026
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Form 500CR, Business Income Tax Credits, p1-2
01/30/2026
coming soon
Form 500, Corporation Income Tax Return
01/30/2026
coming soon
Form 500UP, Underpayment of Estimated Income Tax by Corporations and Pass-Through Entities
01/30/2026
coming soon
Form 500CR, Business Income Tax Credits, p3-4
01/30/2026
coming soon