Possible PPP Legislation:
https://www.bloomberg.com/news/articles/2020-05-26/hoyer-says-house-and-senate-close-on-ppp-loan-extension
Form W-4P
https://www.irs.gov/pub/irs-pdf/fw4p.pdf
IRS Notice 2020-3
https://www.irs.gov/pub/irs-drop/n-20-03.pdf