Originally Posted by
totti
Your information comes at no surprise. It is typical that M&M is not able to provide the correct information on their website…

An unqualified reference to "TAM" is only referring to JJ itself.
This is similar to LAN, where LAN Airlines (LA) joined OW in 2000 and its various subsidiaries (4M/XL/LP/LU) joined a few years later:
http://www.OneWorld.com/ow/member-airlines/lan