Travel agencies providing international tourism services this year may have to pay a deposit twice the current VND250 million (USD11,900), according to a draft decree.
The euro is unlikely to "vanish" this year, IMF chief said, but warned a report this month will show the global economy growing slower than the 4.0% estimated in September.
Vietnam committed a total of $10.8 billion of investment in 627 projects in 55 countries and territories around the world by late 2011, the Ministry of Planning and Investment reports.
China said it had uncovered 530.9 billion yuan ($84 billion) in misused funds in an audit of local government debts, as it moves to clean up "problem" financing.
While the Vietnamese retail market is considered to be highly profitable by foreign distributors, locally-made products still have little presence in the lucrative market.