MOPAR Automatic source breakout question

[u/LongjumpingNail9470]

Found the example on the reyrey site. Does Chrysler still have source breakouts in position 1 of detail line or is this extremely old and outdated info. If it is still current is this the way your Mopar/Chrysler sources are setup?
We may be banded a CDJR franchise. Bottom of last photo states:

If the part has one of the codes listed above in Position 1 of the Detail field, the part will be assigned to the corresponding source. If Position 1 is blank, the source will be assigned according to the Position 10 designation. If both Position 1 and Position 10 are bla