Important Changes to ELT Requirements -  As per Aeronautics Act Amendment, effective 25 November 2020

Commercial Operators: One year from November 25, 2020 all 702, 703, 705, 705 operators must install a 406 ELT in your aircraft.

Flight Training Units (FTU): One year from November 25, 2020 FTU's that are commercially registered and operate beyond 25 nautical miles from their operating base must install a 406 ELT in your aircraft. 

Private / Recreational Operators: Five years from November 25, 2020 you must install a 406 ELT in your aircraft.

The 406 ELT requires a 24-month Performance Test.  Annually, an operation test must be done.  An operation test need to be done IAW with AC571.025 which means test equipment is required. It is not part of elementary work.