The two countries are improving bilateral relations, regional security and EU integration through co-operation.
Participants in foreign conflicts can receive jail sentences of at least five years.
The proposed law, which would be supported by a loan from the World Bank, is being considered by Parliament. In other business news: optimism grows for the economy's future in southeast Europe.
Efforts by the authorities as well as the end of duty tariffs on car imports have had an impact.
The United States and Romania kick off joint military exercises to support NATO's cohesion and strengthen security in the region.