They say the move was made on health and safety grounds.
The National Ploughing Association has defended cashless ticketing for this year's championships.
It says it has made the move solely on health and safety grounds in order to get an accurate headcount.
The National Ploughing Championships take place in Ratheniska from September 19th.
Anna Marie McHugh from the NPA says no alternatives have been put forward, so cashless ticketing it is:
The Irish Rural Association disagrees with ticketing for this year's event being cashless.
Spokesperson Jackie Flannery says cash is legal tender, and therefore should be accepted:
Youth Council Calls For Action As Most Young Adults Consider Emigration
Community Search For Missing Westmeath Man Seeks Sonar And Drone Equipment
ESB Acquires Offaly Solar Farm
Hauliers Fear Impact Of Rising Fuel Costs Ahead Of Budget
Midlands Enjoys September Sunshine As Warm Weather Set To Continue
Volunteers Asked To Join Search For Missing Midlands Man
Gardai Investigating Stand Off In Midlands Housing Estate
Five New Members Appointed To TUS Governing Body