How to determine your tax return
You must complete the Exemptions section of the return with Form 502B if completing the Form 502. Complete the EXEMPTIONS area on Form 502. Form 502B must be completed and attached to Form 502 if you are claiming one or more dependents
Age and Blindness
In addition to the exemptions allowed on your federal return, you and your spouse may claim an additional $1,000 exemption on the Maryland return for being 65 years of age or older or blind. If any other dependent claimed is 65 or over, you also receive an extra exemption of up to $3,200.
Make sure you check both boxes in columns 6 and 7 of the Exemptions section for each of your dependents who are age 65 or over. make sure you check both boxes (6) and (7) of Form 503 or the Dependent Form 502B for each of your dependents who are age 65 or over.
502B - Dependents Form
You must also enter the names, Social Security numbers and relationships for all dependents from Dependent Form 502B in part C of the Exemptions section on Form 502.
The portion of the law that requires the Comptroller to request and provide certain information related to health care coverage has expired. Accordingly, we have removed language from our Form 502B that requests this information from resident taxpayers.
Part-Year Residents and Military
If you are a part-year resident or a member of the military, you must prorate your exemptions based on the percentage of your income subject to Maryland tax. See Instructions 26 and 29 in the Maryland tax booklet .
If you and your spouse file a joint federal return but choose to file separate Maryland returns because one of you is a nonresident, each spouse's personal exemption amounts must be claimed separately as well.Source: taxes.marylandtaxes.com