https://forms.marylandtaxes.gov/current_forms/502cr.pdf
The Maryland Form 502-CR, Income Tax Credits for Individuals for tax year 2018 is included in the TurboTax state program for Maryland. The form is estimated to be finalized on 01/24/2019 for printing with a tax return. E-filing of the form with the state tax return is currently available.
See this TurboTax support FAQ for Maryland state forms availability - https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_md_online_individual.html
