Changes to Selected Tax Forms
Some Maryland tax forms were revised after the forms printing process was completed, due to the Tax Reform Act of 2007. The changes especially affect businesses filing estimated tax returns. More

Special Session Tax Changes for 2008
See our summary of tax changes that resulted from the Tax Reform Act of 2007. The changes affect the personal income tax, corporation income tax, sales and use tax, admissions and amusement tax and employer withholding. More

New Employer Withholding Information for 2008
The 2008 withholding tables and 2008 percentage method tables have been updated as a result of the Tax Reform Act of 2007. More

Register Business Tax Accounts Online
Use our convenient online service to register your sales and use tax, admissions and amusement tax and other business tax accounts. More.

Verify Tax Exemption Numbers Online
If you encounter a customer who wishes to make tax-free purchases using a tax-exempt card issued by the Comptroller's Office, you can verify the validity of the tax exemption account number online.