Having had to deal with this is a previous job, from what I remember the rules DD are pretty strict and if you mess up as the collection agency, you have to put

Having had to deal with this is a previous job, from what I remember the rules DD are pretty strict and if you mess up as the collection agency, you have to put it right. You also don't get to just recollect - the few times we had software issues, we needed to write to all the people you are going to recollect from and inform them it will happen.