Kathmandu, April 29 -- The practice of issuing fake Value Added Tax bills has continued unabated, largely due to the failure of authorities to take timely measures, and non-implementation of laws, experts and officials say.

According to the Department of Revenue Investigation, which is investigating a new fake VAT bill issue, transactions of such fake bills could be worth over Rs7 billion, making it a scam as big as an earlier infamous scandal about a decade ago when tax authorities had decided to collect Rs6.59 billion from 518 firms.

"As we have yet to conclude the investigation, we cannot make comparisons now," said Dirgha Raj Mainali, director general of the department. "But it does look like this new fake VAT bill case is as big as o...