If it is more than 3% the private company and the state decide about the measures to be taken. If no decision is taken within two months, the company can apply a 3% tariff increase while the contracting parties decide about how to deal with the remaining tariff increase. Increases in bulk water tariffs and in electricity production tariffs are passed on automatically to consumers, based on the principle "no loss, no gain".[10] Between 1997 and 2001 the average water tariff in Casablanca increased by 35% and the average sewerage tariff by 34%.