Please see mailing link below. You can deduct a part of your medical and dental expenses, and amounts you paid for certain taxes, interest, contributions, and other expenses.The Tax Department is streamlining withholding tax and wage reporting forms and Web File applications. To claim the credit, you must complete Part G of Form 502CR and attach to your Maryland income tax return. You should report your local income tax amount on line 28 of Form 502. This form allows the employee to verify that the employer is withholding the correct tax rates for the correct municipalities. Income Tax administers individual income tax, business privilege tax, corporate income tax, partnerships, S-Corporation, fiduciary and estate tax. Maryland employers, including 501(c)(3) or. (4) organizations, may claim a tax credit for. For Federal Taxes: Complete W-4.