Virginia and Maryland have tax reciprocity. VA residents are not subject to MD income tax on their W2 income. The correct form for you to fill out and submit to your employer is MD Form MW507. This will alert your employer that you are a VA resident and not subject to MD withholding. Here's a link to the form:
https://www.marylandtaxes.gov/forms/current_forms/mw507.pdf
VA-4B does not apply in cases of reciprocal states.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
