Although some people suffered for a while, the tax system cannot be allowed to be subject to such vulnerabilities, he said.
"By August-September this year we expect the large backlog in refunds to reach a reasonable level."
Jayasundera said VAT revenue had now become "revenue positive" which he described as a healthy development.
Tax Take
The government had also managed to reverse the declining trend in the ratio of revenue to Gross Domestic Product (GDP) in recent years.
Government revenue as a percentage of GDP should exceed 17 percent in 2007 and by 2008-09 get closer to 19 percent, he said.
"For the last 30 years we never had revenue above day-to-day operating expenditure in the budget. The trend was that revenue was lower than recurrent expenditure. So in absolute terms we ran revenue deficits," he said.
Sri Lan