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CRA Service interruptions–System maintenance


The Canada Revenue Agency's systems will be undergoing annual maintenance. As a result, the following service interruptions will occur during the time frames noted below:

  • EFILE and ReFILE web services will be temporarily unavailable from 8:00 p.m. on Friday, January 4, 2019, until 8:30 a.m. on Monday, January 7, 2019 (Eastern Time).
  • The Auto-fill my return and Express NOA services will be temporarily unavailable from 11:00 p.m. on Friday, January 4, 2019 until 6:00 a.m. on Monday, January 7, 2019 (Eastern Time).
  • T1013 transmission web service will be temporarily unavailable from 8:00 p.m. on Friday, January 4, 2019, until 6:00 a.m. on Monday, January 7, 2019 (Eastern Time).
  • T1135 transmission web service will be temporarily unavailable from 8:00 p.m. on Friday, January 4, 2019, until 8:30 a.m. on Monday, January 7, 2019 (Eastern Time).
  • The EFILE online Transmission History will be temporarily unavailable from 8:00 p.m. on Friday, January 4, 2019, until 8:30 a.m. on Monday, January 7, 2019 (Eastern Time).

Note: There will be no service interruptions to the following EFILE online applications:

  • Register for EFILE
  • Yearly renewal
  • Account maintenance

 

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