Epidemic Tax Credit Act of 2020 This bill allows a new tax credit in 2020 to private or tax-exempt employers for 90% of wages paid to their employees who are either on leave or not performing substantial work because their workplace is located in an area that has been designated as an epidemic area by the Centers for Disease Control and Prevention. The amount of wages for each employee in any calendar week that may be taken into account for purposes of the credidt is limited to $2,000 and the maximum leave period for an employer may not exceed eight weeks. .