How long to process and receive a refund on an amended return. I filed an amended return on April 20, 2021. I am due a refund.

[Mike9241]

in normal times 4 to 6 months. these are not normal times. 

[mesquitebean]

At some point it should show up in this IRS amended return lookup tool:

https://www.irs.gov/filing/wheres-my-amended-return