The tariff increase, said to amount to only 9% for volumes beyond the first block, would became effective in January 2011.

These modifications were equivalent to a 11% (check) tariff increase.

However, after a tariff increase collection efficiency declined again to 90% in 2010.

The market for the tomatoes, he said, would be essentially wiped out by the tariff increase.

Since 2003, the government has been in the process of introducing modifications that allow for tariff increases.

A 16% tariff increase for fuel adjustment was already applied in January 2008.

But others saw that this tariff increase would have broader deleterious effects.

Many in Congress felt that tariff increases could create too much disturbance with industry.

They were successful, and the tariff increase was set aside.

At that time, the Government was not willing to approve major tariff increases.