The coronavirus pandemic has prompted Motorsport Ireland to cancel both the National Stages Rally Championship and the National Forestry Rally Championship for 2020.
This decision was taken after several rounds of the championships were cancelled due to lockdown restrictions.
While events may yet be run later this year, they will not hold National Championship status.
A statement from the governing body read: :Motorsport Ireland would like to acknowledge the large amount of work put into both championships by the respective championship sub-commissions and the Rally Commission as a whole.
"Many of the rounds were fully organised and we thank the clubs for the huge effort that they have put into their events, hopefully some of them may run this year."