State tax filing

He needs to do that manually during the MD part-year interview.

 

First he needs to completely enter every scrap for the year in the Federal section, and ignore the MD part entirely...

 

Then when he goes thru the MD part-year tax return, he will be able to "allocate" what income belongs of MD.  Just ani salary, interest, dividends, cap gains, etc, until he moved

____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*