Why not as long as you're perfectly inline with the campaign rules and regulations and also carry your campaign manager along with every latest development or steps you're taking, once you're within the coverage of what their campaign rules say and still within the week, you're free to leave but before leaving, it's very important to inform your manager, nobody is tied to a particular campaign to stay there for long or by all means except we wish to and same also apllies to the campaign managers in accepting their participants, they make decision on whom to select and not.