Maryland S-Corporations Form Availability
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Form 510E, Application for Extension of Time to File Pass-Through Entity Income Tax Return
01/30/2026
coming soon
Form 500DM, Decoupling Modification
01/30/2026
coming soon
Pass-Through Entity Election Income Tax Return
01/30/2026
coming soon
Form 500CR, Business Income Tax Credit, p3
01/30/2026
coming soon
Form 500CR, Business Income Tax Credit, p4-5
01/30/2026
coming soon
Form 500CR, Business Income Tax Credit, p1-2
01/30/2026
coming soon
Form 500CR, Business Income Tax Credit, p6-7
01/30/2026
coming soon
Form 500UP, Underpayment of Estimated Maryland Income Tax by Corporations and Pass-Through Entities
01/30/2026
coming soon
Form 510 Sch K-1, Pass-Through Entity Member's Information
01/30/2026
coming soon
Form 502S, Heritage Structure Rehabilitation Credit
01/30/2026
coming soon
Form 510D, Pass-Through Entity Declaration of Estimated Income Tax
01/30/2026
coming soon
Pass-Through Entity Income Tax Return
01/30/2026
coming soon
Form EL101B, Income Tax Declaration for Businesses Electronic Filing
01/30/2026
unsupported
Form EL102B, Income Tax Payment Voucher for Business Electronic Filers
01/30/2026
unsupported