Drake has a nice table:

Form eligibility and data entry varies depending on the year of Drake Tax being used:

• Use Form 8915-A for distributions that were taken for disasters that occurred in 2016.
• Use Form 8915-B for distributions that were taken for disasters that occurred in 2017.  
• Use Form 8915-C for distributions that were taken for disasters that occurred in 2018.     
• Use Form 8915-D for distributions that were taken for disasters that occurred in 2019.     
• Use Form 8915-E for distributions that were taken for disasters that occurred in 2020 (including Coronavirus-related distributions).