Maryland Form 502CR, Income Tax Credits for Individuals is available to e-file. The form is part of your Maryland state income tax return so must be filed with the return. It is included in the TurboTax Maryland state program.
See this TurboTax website for Maryland state forms availability - https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_md_online_individual.html
