New Databox Types
* `PFO_INSSPR` (33) is going to be stopped being used, will be converted into `OVM_PFO`; in public test since September 2022
* [x] `PFO_REQ` (50) - in public test since September 2022
* ~~new box types for authorised architects, authorised engineers and officially entitled geodetic engineers (37 - 39)~~
- These types have not been introduced yet. They were only announced.
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