The CARE Act was signed by President Trump on Friday, March 27, 2020 and is now law. The bill is hundreds of pages so this is not a comprehensive list but contains a list of the most popular provisions.
Here is a link to the complete bill details.
The IRS has extended the payment date and the due date for corporate and individual taxes to July 15, 2020 with no interest or penalty instead of April 15. Federal estimated payments (1040-ES) that are due April 15, 2020 and June 15, 2020 have also extended to July 15, 2020.
Existing Installment Agreement payments due between April 1 and July 15, 2020 are suspended. The IRS will not default any Installment Agreements during this period. By law, interest will continue to accrue on any unpaid balances.
All Corporate estimated payments are delayed until October 15, 2020
Many states have changed their due dates so please verify all state due dates over the next few weeks. Here is a link to the most up to date due dates for states: State Tax Deadline Changes