Form MW508 — Annual Employer Withholding Reconciliation Return

# ANNUAL EMPLOYER MARYLAND FORM WITHHOLDING

MW508

# RECONCILIATION RETURN

DUE DATE: January 31, 2025
Revenue Administration Division
110 Carroll Street
Annapolis, MD 21411-0001
Make check payable to Comptroller of MD - WH Tax

Name
Address 1
Address 2
FEIN (9 digits)*

NAICS Code (Business Activity Code, 6 digits)* OFFICE USE ONLY CR# (8 digits)*

• Required

Enter the total gross Maryland payroll for the calendar year. .
Check here if this is a partial filing of W-2(s) and/or 1099(s) Check here if you will be submitting additional W-2(s) and/or 1099(s).

1. Enter total number of a) W-2 and/or b) 1099 Forms. (ATTACH PAPER COPY.) b) 1099 Form a) W-2 … 1.
2. Enter total withholding tax you reported on Forms MW506 for this year … . 2.
3. Enter total state and local tax shown on W-2/1099. (COMBINE TOTAL IF YOU HAVE BOTH b) 1099 Form . FORMS.) a) W-2 . . . . . . 3. 3c. Enter total withholding tax paid … 3c. . 3d. Enter total tax-exempt credit. (MW508CR MUST BE ATTACHED TO ALLOW CREDIT) … 3d. .
4. Amount due with return. (Subtract lines 3c and 3d from line 3. If this amount is zero or greater, enter here. Otherwise, go to line 5.) … 4. .
5. Overpayment (If line 3 minus lines 3c and 3d is less than zero, enter the difference here as a positive number.) … 5. .
6. Amount of overpayment on line 5 to be applied as a credit to your account … . 6.
7. Amount of overpayment on line 5 to be refunded to you …  7. .

If you are submitting 25 or more W-2 forms, you are required to file electronically.*

If you are submitting 25 or more 1099 forms, you are required to file electronically.*

Each W-2 submitted that is not properly filed is a separate violation. Failure to comply with Section 10-911 of the Tax-
General Article, Annotated Code of Maryland may result in the assessment of additional penalties.

*For instructions on electronic filing of W-2 and 1099 forms, refer to 2025 Maryland Employer Reporting of W-2s
Instructions and Specifications (for W-2s) and 2025 Maryland Reporting of 1099s Instructions and Specifications.

SIGNATURE AND VERIFICATION
I declare under penalties of perjury that this return, (including any accompanying schedules and statements) has been examined by me and to the best of my knowledge is a true, correct and complete return.
Signature
Telephone number
COM/RAD-042 10/24
Title
Date

ANNUAL EMPLOYER
MARYLAND
FORM
WITHHOLDING RECONCILIATION
MW508

# RETURN INSTRUCTIONS

If you are submitting 25 or more W-2 or 1099 forms you are required to file electronically; three new options are available on the new Maryland Tax Connect Portal at mdtaxconnect.gov. You will need to access the current Maryland Employer Reporting of W-2s or 1099s Instructions and Specifications which can be found on our website under Maryland Taxes, Business Tax Forms and Instructions.
1.As a Maryland Tax Connect User with a withholding account you may bulk file a W2 SSA Publication 42-007 / 1099 IRS Publication 1220 formatted text file in the modified Maryland standard format.
2.Register as a Transmitter User at the web portal "Maryland Tax Connect" to upload a W2 SSA Publication 42-007 / 1099 IRS Publication 1220 formatted text file in the modified Maryland standard format.
3.W2s/1099s/MW508 can be keyed manually via our new web portal "Maryland Tax Connect" if less than 25 .
Maryland will not be able to process any submissions via the Combined Federal/State program.
If you have questions with regard to filing your MW508
Taxpayer
Withholding Reconciliation return, contact
Services Division at 410-260-7980. If you have questions regarding technical support in bulk filing your file, contact the Electronic Processing Section at: efileW21099help@ marylandtaxes.gov.
If you are submitting less than 25 W-2s and/or 1099s you may file electronically or by paper.
If you are filing the MW508 by paper, complete Form MW508, Employer's Annual Withholding Reconciliation Return.
Enter the total gross Maryland payroll for the calendar year 2024 on the line provided.
Line 1. Enter the number of W-2 and 1099 forms attached on lines 1a and 1b, and the combined total on line 1.
Line 2. Enter total Maryland withholding tax reported for the year.
Line 3. Enter the total amount of State and local tax shown on Form(s) W-2 and 1099 on lines 3a and 3b. Then enter the combined total on line 3.
Line 3c. Enter total amount of withholding tax paid this year.
Line 3d. Enter total eligible business tax credits if you are a tax-exempt organization. You must attach Maryland Form MW508CR to calculate and take the credit.
Line 4. Amount Due. (Subtract lines 3c and 3d from line 3. If this amount is zero or greater, enter here; otherwise, go to line 5.) Line 5. Overpayment (If line 3 minus lines 3c and 3d combined is less than zero, enter the difference here as a positive number.) Line 6. Enter the amount of line 5 you wish to have applied as a credit.
Line 7. Enter the amount of line 5 you wish to have refunded. (Line 6 plus line 7 cannot exceed line 5.)

Send this form, accompanied by the STATE copy of Form W-2/ Form 1099 for each person for whom wages/annuities have been paid. Keep a copy for your records. Your name, FEIN, Maryland Withholding Central Registration Number, NAICS Code (can be obtained from the Census Bureau) and phone number must be on all documents to assure proper credit and to prevent posting errors. Send your completed MW508 Return, STATE copies of W-2s and/or 1099s to:
Comptroller of Maryland,

Revenue Administration Division

110Carroll Street

Annapolis, MD 21411-0001
If you have questions with regard to filing your MW508 Withholding Reconciliation return, contact Taxpayer Services Division at 410-260-7980 *Electronic filers submitting via Maryland Maryland Tax Connect do not need to file a paper Form MW508 as this may cause duplicate filing. The MW508 will be included in the data received. Duplicate filing may result in erroneous balance due notices and/or penalty notices.
COM/RAD-042 10/24