Archaic laws governing firefighters are out of sync with the evolving role and need to change, Northland firefighters say.
The region's five firefighting bodies may become one as part of the nationwide Fire Services Review, though there are concerns the move could see rural communities under served.
A Department of Internal Affairs review identified potential issues with fire services operating under legislation created in 1975.
Volunteer firefighters were particularly open to liability when attending non-fire events, said Northern Region's principal rural fire officer Myles Taylor.
"From my perspective we are starting to go to more medical calls, car accidents and things like that. It doesn't give the protection we would like."