Seems to have the same functionality as REGISTER_TEXT_LABEL_TO_SAVE?
MISC::_6F7794F28C6B2535(&a_0._f1, "tlPlateText");
MISC::_6F7794F28C6B2535(&a_0._f1C, "tlPlateText_pending");
MISC::_6F7794F28C6B2535(&a_0._f10B, "tlCarAppPlateText");
"tl" prefix sounds like "Text Label"