Do we still need to file tax returns for them for 2019?

If returned, do not open the letter, just file it away in the envelope.

https://www.sbc.senate.gov/public/_cache/files/9/7/97ac840c-28b7-4e49-b872-d30a995d8dae/F2CF1DD78E6D6C8C8C3BF58C6D1DDB2B.small-business-owner-s-guide-to-the-cares-act-final-.pdfThis guide makes it a little easier to understand.

I wonder if you can file unemployment if the town ceases STR activity?

Unemployment claims were right in line with what was expected. 3 million were expected, and 3.3 million filed."

https://www.nar.realtor/sites/default/files/documents/2020-nar-flash-survey-economic-pulse-coronavirus-residential-03-12-2020.pdfThere was an open house in my neighborhood last weekend and the cars were lined up on the curb. 

For the loss of 50%, I was told that I’m eligible to file unemployment benefits.

Everyone files a 1040. 

In fact, I require that deposit when filling out their forms, with a contract to hold, so they don't flake off or forget to file.

The state Labor Department has seen initial unemployment insurance claims rise 520 percent over the past year, with more than 80,500 claims filed the week of March 21, the latest figures available.