Yesterday, officials substantially revised their time frame, saying service might be back to normal in only six to nine months.

Other officials are publicly revising history and blaming the Vice President's miscues on the very advisers who are ridiculing him now.

But on Friday provincial officials revised the number of fatalities in Hunan to 345 people.

By 7 September 2004, Russian officials revised the death toll to 334, including 156 children, although close to 200 people remained missing or unidentified.

Today the economy is racing ahead so rapidly that officials are continually revising growth estimates upward.

But now, officials at the State Tourism Administration have revised their expectations for 1989 to $1.4 billion, half the original forecast.

Work resumed in August 2006 after officials revised the design to meet a tighter budget.

Subsequently officials revised that estimate to say that 250,000 students would be required to go to summer school under threat of being held back.

Responding to the criticisms last year, officials revised their method of evaluating schools.

Now officials are revising their list of the most crime-plagued schools.