Complex sentence: In October 2011, the Australian Competition and Consumer Commission (ACCC) approved a proposed code-share alliance between Singapore Airlines (SIA) and Virgin Australia, subject to other regulatory approvals in both countries.
Split into simpler sentences: In October 2011, the Australian Competition and Consumer Commission (ACCC) approved a proposed code-share alliance between Singapore Airlines (SIA) and Virgin Australia. The alliance is subject to other regulatory approvals in both countries.