Annett Roessner wrote:
… I selected the whole folder with all subfolders that were created by Studio to create the return package , which would include my own TM if I'm not wrong?
I don't think so.
If I only select the target file folder, would the agency receive the TM for the file they asked me to translate?
To be sure, add '.zip' to the .tpf package, open the ZIP file and check its content.