In Loans App you are able to make changes on contracts. But it's also important to know the places/reports, where changes will be reflected.
In attached video you will see how the changes you've made will take effect. There is also mentioned deleting changes.
https://www.youtube.com/watch?v=7nzeHVqH7Ug&feature=youtu.beIn general can happen the situation, when the customer requests for transfer of the contract to another customer.
In Loans App it's possible to realize Contract transfer to another customer in easy steps, shown in video below. In video is also mentioned, how to make Extraordinary payment in case, when the customer wants to pay special payment.
https://www.youtube.com/watch?v=5oo7puZOI78