Thanks for the update - it sounds like you did get your deadlock letter if you have taken it to CISAS.
If you in anyway responded to the deadlock or contacted us via email or webform after the deadlock was processed, this would be logged as a brand new complaint. In regard to the automatic letter - yes; this is done automatically once a complaint reaches 8 weeks. It is generated from the length of the complaint and is not in any relation to the content of the complaint. Sorry for any confusion.
As your initial complaint is now with CISAS, please continue with their process - we would not be able to engage further.