The best and safest answer to what to show PTT about license details. We must find copies of all documents submitted to PTT during our projects. We must say exactly the same as those documents. If you would like to understand, ask I will try explain.
PTT accounting will check any document sent with License information to existing documents in their files. We have had problems in the past.
In the past I believe we submitted GE Licenses as Deliverable items.
You might be careful who you show these emails to, even I have to think why we were doing what we did.
These are the emails that I can find back to the last PO that we issued to GE.