Originally Posted by
JALPak
FYI, CX has an excellent page to show your allowance when flying CX. If you choose J fare and compare the allowance of CX gold vs other sapphire, you can see CX Gold are entitled to 3 pieces while other sapphires only got 2 pieces, which is matching the alliance policy that grant no additional allowance in this case.
https://www.cathaypacific.com/cx/en_US/baggage.html
It's off topic, isn't it? OP is flying JAL so what does the CX rules help?
https://www.jal.co.jp/en/oneworld/jmb_benefit.html