Surveyed people indicate the government's anti-corruption efforts are increasingly effective.

Head of Bac Ninh province Taxation Department said the information published on Japanese media could not be verified until the CEO of Tenma Vietnam returns to Vietnam.

The allegation is a serious matter directly affecting Vietnam’s business environment at a time government agencies are determined to fight corruption, said Minister of Finance Dinh Tien Dung.

General To Lam, Vietnamese minister of Public Security, said the Vietnamese authorities are cooperating with Japanese parties to clarify the issue.

Anyone who is found to have accepted bribery would be subject to strict punishment in compliance with law, said a senior government official.