The latest version of CTT3.0 is V109 issued on 6th November 2017.
The latest version of CTT3.1 is V107 issued on 23rd October 2018.
The latest version of the Object definitions file is V3.3 issued on 1st June 2018.
Self-testing: Test performed by the licensee on its own products or on products manufactured by one of its Affiliates registered with the DLMS UA.
Third party testing: Test performed by the licensee on a product of a third party. Any CTT licensee may act as a third party tester.