Please allow a user to add an NEW items to an Expense Claim directly from the mobile app without going through Costs. A user has an expense receipt in their hand at point of payment, so why not allow them to choose the Expense Claim to assign it to via the mobile APP before submission. It makes no sense to put it in the Costs Inbox first and then have to move it. Just let the user specify that it's an Expense Claim in the App!