Question: what do you need to apply for the cerb?
Answer: If you still want to apply online, you need to file a 2018 or 2019 tax return and get it assessed, then register for a CRA My Account. Before you can apply for the CERB, you must call 1-800-959-2019 (opens up phone application)1-800-959-2019 to register your Social Insurance Number (SIN) with the CRA.