216.5.94.243 Agents each have different policies on multiple submissions. One thing they seem to agree on is that they want an author to inform them if a manuscript is under consideration elsewhere. Some agents say they will try to give a quicker reply if they know other agents are looking at it. If an agent wants an exclusive look, he should request this when he replies positively to a query. Or you can do a little research by checking out some of the excellent writer's guides out there that list submission specifications for particular agencies.
Foreign agents are another matter.
However, the rights to the work are yours, and you have the right to contact foreign agents directly to sell specific language rights. But if you do get representation offers from more than one agent, let them know this to ensure it doesn't violate one of their policies or contract points if you're signed with both of them. Many US agents are used to working with a specific foreign agents who they've learned to trust, and they may be able to work with one of those foreign agents to get you better sales. So it works to your advantage to talk over all your options. There are no responses to this message.