When the ERTC was originally passed, it was overshadowed by the Paycheck Protection Program (PPP), and companies had to select either PPP or ERTC, and most companies selected PPP because it was more generous.
However, revisions to ERTC in December, means that eligibility for the credit has broadened AND eligible companies can take advantage of both the PPP and ERTC.
ERTC also is much more generous for 2021 use. IRS guidance explains:
You can learn more about the credit at: https://www.irs.gov/newsroom/new-law-extends-covid-tax-credit-for-employers-who-keep-workers-on-payroll
New law extends COVID tax credit for employers who keep workers on payroll - Internal Revenue Service
IR-2021-21, January 26, 2021 WASHINGTON — The Internal Revenue Service urges employers to take advantage of the newly-extended employee retention credit, designed to make it easier for businesses that, despite challenges posed by COVID-19, choose to keep their employees on the payroll.