What is error code 20?
You may get the following error message when trying to netfile or efile a return:
Cannot connect to CRA server: Code 20
It simply means that CRA servers are not available at this time. CRA performs daily system maintenance 3 hours a day.
Here are their scheculed daily system maintenance window for each timezone. During this window you cannot file any returns.
Time Zone | Daily System Maintenace |
Pacific time | Midnight to 3:00 a.m. |
Mountain time | 1:00 a.m. to 4:00 a.m. |
Central time | 2:00 a.m. to 5:00 a.m. |
Eastern time | 3:00 a.m. to 6:00 a.m. |
Atlantic time | 4:00 a.m. to 7:00 a.m. |
Newfoundland time | 4:30 a.m. to 7:30 a.m. |