@ smithy099 -
.........Don`t forget this is a "business" to the likes of ACS
....they will wait/delay as long as possible, so that by the time you recieve their "speculative invoice" the only tangible evidence remaining is their own
many letter recipients have even moved house by the time they recieve a claim!
...you should also be aware that if you are guilty of this type of "shopping" then only a solicitor can help. If you are innocent help is readily available for those prepared to help themselves