Because your husband is deceased, (I'm sorry for your loss) you will first have to know how to fill out his tax return, so please review the link below to assist you; from there read on to learn how to get to Schedule 2 with both versions of software, as I was unaware of which you had.
Prepare a return for a deceased person?Online Version - Go to the "Find" button in the upper right of the screen, then type "disability" in the search field then there will be one that says "Disability amount" Click "Go." This will take you to where you can answer a series of questions to make sure the disability amount is being recognized correctly and recorded on the Schedule 2 line 357 for the disability amount.
Download Version - EasyStep - use again the "Find" button and type in disability amount and it will bring it up to answer all necessary questions that will fill in the information.
And in Forms view - simply type in "DTC" in form lookup.