The experience of the Canary Islands also suggests that regulated third party access to transport infrastructures, with regulated tolls, may also facilitate trades at the local level. At present, regulated third party access is only ensured for publicly-owned infrastructure. The binding nature of the restrictions came to the fore during the last drought period, 2005-06, when the government brokered the transfer of water rights across river basins, but had to issue specific enabling legislation in order to do so.