Units of cavalry and infantry were usually raised on a regional basis because that was cheap and easy to organise.
Times, Sunday Times
He believes measures will have to be more experimental and tried on a regional basis to see if they work.
Times, Sunday Times
Ford, once a strong proponent of the 'world car', now operates on a more regional basis.
Times, Sunday Times
The time has come for public sector pay to be set on a regional basis.
Times, Sunday Times
Trade agreements are typically negotiated on a bilateral or regional basis.
Times, Sunday Times